Use of ambulance services in Wiltshire. Values are numbers (percentages) unless otherwise specified

Incident (n=5821)1988 (n=474)1989 (n=546)1990 (n=590)1991 (n=577)1992 (n=580)1993 (n=709)1994 (n=773)1995 (n=759)1996 (n=813)P value (χ2 for trend over time)
GP made call31 (6.5)26 (4.8)29 (4.9)23 (4.0)25 (4.3)32 (4.5)41 (5.3)39 (5.1)36 (4.4)0.49 (0.47)
GP was present46 (9.7)49 (9.0)43 (7.3)43 (7.5)52 (9.0)52 (7.3)87 (11.3)72 (9.5)83 (10.2)0.12 (2.49)
Category of incident:
Sudden illness at home106 (22.4)101 (18.5)123 (20.1)126 (21.8)146 (25.2)180 (25.4)219 (28.3)184 (24.2)228 (28.0)< 0.0001 (20.43)
Sudden illness, public place73 (15.4)80 (14.7)74 (12.5)88 (15.3)93 (16.0)101 (14.3)109 (14.1)132 (17.4)139 (17.1)3.04 (0.08)
Obstetric or gynaecological problem20 (4.2)22 (4.0)14 (2.4)28 (4.9)22 (3.8)22 (3.1)20 (2.6)27 (3.6)21 (2.6)0.09 (2.81)
Overdose or self harm29 (6.1)36 (6.6)29 (4.9)32 (5.6)41 (7.1)52 (7.3)53 (6.9)39 (5.1)54 (6.6)0.66 (0.19)
Fall (assistance required)5 (1.1)7 (1.3)6 (1.0)12 (2.1)6 (1.0)12 (1.7)11 (1.4)6 (0.8)10 (1.2)0.82 (0.05)
Accident at home42 (8.9)37 (6.8)62 (10.5)59 (10.2)64 (11.0)72 (10.2)80 (10.4)76 (10.0)73 (9.0)0.41 (0.69)
Accident in public place41 (8.7)51 (9.3)41 (7.0)28 (4.9)47 (8.1)57 (8.0)51 (6.6)56 (7.4)72 (8.9)0.97 (0.00)
Road traffic accident86 (18.1)108 (19.8)110 (18.7)96 (16.6)64 (11.0)112 (15.8)76 (9.8)115 (15.2)112 (13.8)< 0.0001 (18.90)
Sports accident12 (2.5)7 (1.3)9 (1.5)11 (1.9)12 (2.1)14 (2.0)11 (1.4)10 (1.3)9 (1.1)0.14 (2.21)
Industrial accident9 (1.9)9 (1.7)5 (0.9)8 (1.4)8 (1.4)11 (1.6)11 (1.4)13 (1.7)10 (1.2)0.83 (0.05)
Assault14 (3.0)20 (3.7)22 (3.7)22 (3.8)13 (2.2)17 (2.4)32 (4.1)23 (3.0)21 (2.6)0.43 (0.62)
Drunkenness4 (0.8)4 (0.7)11 (1.9)11 (1.9)9 (1.6)5 (0.7)21 (2.7)16 (2.1)11 (1.4)0.11 (2.52)
Fire call6 (1.3)25 (4.6)31 (5.3)36 (6.2)28 (4.8)29 (4.1)28 (3.6)37 (4.9)15 (1.9)0.28 (1.18)
Hoax call000000001 (0.1)
Total valid cases447507537557553684722734776
Missing or unclassifiable273953202725512537