Table A
 

Example of search strategy

Medline Premedline

Search command

1 ottawa.mp. [mp=ti, ab, rw, sh]

2 ankle$2.mp. [mp=ti, ab, rw, sh]

3 1 and 2

4 *ANKLE INJURIES/di, ra, ec, ep [Diagnosis, Radiography, Economics, Epidemiology]

5 3 or 4

6 ANKLE INJURIES/di, ra, ec, ep [Diagnosis, Radiography, Economics, Epidemiology]

7 exp GUIDELINES/

8 6 and 7

9 5 or 8

Embase

Search command

1 OTTAWA.TI,AB.

2 ANKLE$

3 1 AND 2

4 (C2-580-500-490-495-50# OR ANKLE-INJURY.DE..W.)

5 (ANKLE-INSTABILITY.DE..W.)

6 4 5

7 (J2-50-700# OR PRACTICE-GUIDELINE.DE..W.)

8 6 AND 7

9 6.MJ.

10 6 WITH DI

11 6 WITH EP

12 (I1-250# OR ECONOMIC-ASPECT.DE..W.)

13 9 AND 10

14 9 AND 11

15 9 AND 12

16 3 8 13 14 15

CINAHL

1 ottawa

2 ankle*

3 ottawa with (ankle* in ti,ab)

4 explode "Ankle-Injuries"/ all topical subheadings / all age subheadings

5 "Practice-Guidelines"/ all topical subheadings / all age subheadings

6 "Clinical-Assessment-Tools"/ all topical subheadings / all age subheadings

7 #6 or #5

8 #4 and #7

9 ottawa

10 #4 and ottawa

11 #10 or #8 or #3
 

Table A [As supplied by authors] Description of all 32 studies included in review of accuracy of Ottawa ankle rules
 

Subgroups	Study	Year of publication	Number of patients	Specification	True positive	False positive	False negative	True negative	Negative Likelihood Ratio
Ankle assessment	Aginaga	1999	463	Physicians applied the OARs in adults in a regional hospital setting in Spain	46	250	2	165	0.10
	Auleley	1998	130	Comparison of the radiography request rates between senior house officers and nurse practitioners using the OARs in adults in a university hospital setting in France.	48	171	1	137	0.05
	Kerr	1994	350	OARs applied in a convenience sample of adults of 4 hospitals (2 university hospitals, one community and one provincial) in New Zealand. Mid-foot injuries were not assessed.	70	245	5	30	0.61
	Leddy	2002	193	Validating the "Buffalo modification of the OARs in a sports medical centre in Buffalo, USA:	17	96	0	80	0.06
	Lucchesi	1995	422	OARs in a convenience sample of adult patients of a suburban community teaching trauma centre in USA.	88	278	5	51	0.35
	Mann	1998	700	Comparison of the radiography request rates between senior house officers and nurse practitioners applying the OARs in patients enrolled within 48 hours after injury to a large accident and emergency department in UK. No midfoot assessment Physicians assessment.	127	413	0	160	0.01
	Mann	1998	1365	Comparison of the radiography request rates between senior house officers and nurse practitioners applying the OARs in patients enrolled within 48 hours after injury to a large accident and emergency department in UK. No midfoot assessment Nurses assessment.	232	759	5	369	0.06
	Papacostas	2001	79	OARs in athletes and people sporting at least 3/week injured during sports activities attending a district general hospital and sports injuries clinic in Greece.	9	49	0	21	0.17
	Perry	1999	577	OARs assessed in an urban teaching hospital in UK. No midfoot assessment	59	269	4	245	0.13
	Rosin	1999	67	Retrospective analysis to evaluate the impact of the OARs at a US army troop medical clinic in South Korea	2	20	0	45	0.24
	Singh-Ranger	1999	18	Compare conventional ordering of X-rays to the use of the OARs in a district general hospital in UK. No assessment of midfoot reported.	3	5	0	10	0.19
	Solomito	1994	631	Abstract	70	460	0	101	0.04
	Springer	2000	157	Physiotherapists assessing the "Buffalo" modification of the OARs in a military population attending a community hospital in the USA	6	90	0	61	0.18
	Springer	2000	157	Physicians assessing the "Buffalo" modification of the OARs in a military population attending a community hospital in the USA	6	81	0	70	0.15
	Stiell	1992	689	Development of OARs in two university hospital EDs in Canada	70	371	0	248	0.02
	Stiell	1993	1032	OARs applied in adults attending either one of 2 university hospital EDs in Canada. Refinement of the 1992 rules.	121	557	0	354	0.01
	Stiell	1993	453	OARs applied in adults attending either one of 2 university hospital EDs in Canada. Validation of the refined rules.	50	205	0	198	0.02
	Stiell	1994	565	Implementation study of the OARs using the refined 1993 OARs. OARs applied on adults attending a university hospital in Canada.	74	244	0	247	0.01
	Yuen	2001	467	Validation study to investigate applicability of the OARs in the Chinese population in a district hospital in Hong Kong	52	245	1	169	0.05
Foot assessment	Aginaga	1999	197	Physicians applied the OARs in adults in a regional hospital setting in Spain	26	141	0	30	0.10
	Auleley	1998	130	Comparison of the radiography request rates between senior house officers and nurse practitioners using the OARs in adults in a university hospital setting in France.	22	77	0	31	0.08
	Leddy	2002	24	Validating the "Buffalo modification of the OARs in a sports medical centre in Buffalo, USA:	7	11	0	6	0.17
	Lucchesi	1995	150	OARs in a convenience sample of adult patients of a suburban community teaching trauma centre in USA.	27	107	2	14	0.60
	Papacostas	2001	43	OARs in athletes and people sporting at least 3/week injured during sports activities attending a district general hospital and sports injuries clinic in Greece.	8	21	0	14	0.15
	Springer	2000	154	Physiotherapists assessing the "Buffalo" modification of the OARs in a military population attending a community hospital in the USA	3	32	0	119	0.16
	Springer	2000	154	Physicians assessing the "Buffalo" modification of the OARs in a military population attending a community hospital in the USA	3	32	0	119	0.16
	Solomito	1994	189	Abstract	23	118	0	48	0.07
	Stiell	1992	230	Development of OARs in two university hospital EDs in Canada	32	149	0	49	0.06
	Stiell	1993	1032	OARs applied in adults attending either one of 2 university hospital EDs in Canada. Refinement of the 1992 rules.	48	294	1	689	0.03
	Stiell	1993	453	OARs applied in adults attending either one of 2 university hospital EDs in Canada. Validation of the refined rules.	19	90	0	344	0.03
	Stiell	1994	564	Implementation study of the OARs using the refined 1993 OARs. OARs applied on adults attending a university hospital in Canada.	19	125	0	420	0.03
	Yuen	2001	256	Validation study to investigate applicability of the OARs in the Chinese population in a district hospital in Hong Kong	78	100	0	78	0.01
Combined assessment	Allerston	2000	144	Comparison of X-ray request of nurse practitioners and medical practitioners in a county hospital in the UK	21	58	4	61	0.31
	Chandra	2001	397	OARs applied in adult patients attending a city hospital in Germany	79	260	5	53	0.35
	Garces	2001	494	OARs in two community hospitals in Spain.	54	368	2	70	0.22
	Glas	2002	647	Comparison of the OARs and the Leiden ankle rule assessed in adults of a mid-sized teaching hospital in the Netherlands.	66	424	8	149	0.42
	Keogh	1998	262	Comparison of current local guidelines with OARs in patients >16 years attending a teaching hospital in London UK:	22	125	0	115	0.05
	Leddy	1998	78	OARs applied in patients > 12 years, attending a university based community sports medical centre in Buffalo, USA.	7	41	0	30	0.15
	Leddy	1998	78	The "Buffalo" modification of the OARs applied in patients > 12 years, attending a university based community sports medical centre in Buffalo, USA.	7	29	0	42	0.11
	McBride	1997	259	OARs applied in adults attending a common practice setting with family physicians in a community hospital in Canada.	33	157	1	68	0.10
	Pigman	1994	81	Comparative study to assess the validity of the OARs when used at a community and a university hospital setting in the USA by attending physicians and triage nurses. Nurses assessed OARs	9	64	1	7	1.01
	Pigman	1994	71	Comparative study to assess the validity of the OARs when used at a community and a university hospital setting in the USA by attending physicians and triage nurses. Doctors assessed OARs	9	50	0	12	0.25
	Salt	1997	324	OARs used by triage nurses at a university hospital in UK. X-ray was performed on discretion of treating physician.	48	190	0	86	0.03
	Tay	1999	488	OARs in Asian population (Chinese, Malay and Indian) attending a large teaching hospital in Singapore.	61	276	7	144	0.30
	Tay	1999	488	Assessing a modification of the OARs changing the weight bearing item to: no weight bearing possible in Asian population (Chinese, Malay and Indian) attending a large teaching hospital in Singapore.	67	283	1	137	0.05
	Verma	1996	911	OARs applied in adults attending a level 1 trauma centre in the USA.	152	607	1	151	0.03
Children	Boutis	2001	607	Comparison of clinical examination with the OARs to identify high-risk diagnoses in children attending either one of 2 urban, university affiliated paediatric emergency departments in Canada.	74	463	0	70	0.05
	Chande	1995	68	OAR applied in paediatric patients enrolled within 48 hours after injury at the University Hospital of Cleveland, USA.	14	37	0	17	0.10
	Karpas	2002	186	Paediatric ED nurses applying the OARs within 48 hours after injury in children attending a tertiary care facility in the USA.	31	116	1	38	0.13
	Libetta	1999	761	OARs applied in children > 1year old, attending a large teaching hospital in UK:	59	373	1	328	0.04
	McBride	1997	37	OARs applied in children attending a common practice setting with family physicians in a community hospital in Canada.	7	22	0	8	0.23
	Plint	1999	559	OARs applied in children attending one of two specialist tertiary care units in Canada within 48 hours after injury, ankle assessment	67	375	0	117	0.03
	Plint	1999	205	OARs applied in children attending one of two specialist tertiary care units in Canada within 48 hours after injury, foot assessment	17	121	0	67	0.08