Hemiarthroplasty or internal fixation for intracapsular displaced femoral neck fractures: randomised controlled trial

Frede Frihagen, Lars Nordsletten, Jan Erik Madsen
Table 4

 Patient in internal fixation group who healed uneventfully (n=53) compared with those in hemiarthroplasty group

Healed internal fixationHemiarthroplastyMean difference or relative risk (95% CI)P value
Mean (SD) Harris hip score
At 4 months63.4 (14.8) (n=37)67.7 (15.8) (n=84)4.4 (−1.7 to 10.4)0.16
At 12 months63.7 (16.7) (n=37)72.6 (17.5) (n=74)8.8 (1.9 to 15.7)0.01
At 24 months63.9 (12.0) (n=29)70.6 (19.1) (n=68)6.7 (0.3 to 13.1)0.04
Mean (SD) Eq-5d index score and visual analogue scale
Index score:
 At 4 months0.58 (0.22) (n=29)0.61 (0.30) (n=70)0.03 (−0.10 to 0.15)0.67
 At 12 months0.57 (0.32) (n=27)0.65 (0.30) (n=62)0.08 (−0.06 to 0.22)0.26
 At 24 months0.48 (0.41) (n=17)0.72 (0.23) (n=52)0.24 (0.02 to 0.46)0.03
Visual analogue scale:
 At 4 months56 (15.2) (n=26)62 (21.0) (n=60)5.6 (−3.5 to 14.7)0.22
 At 12 months51 (15.6) (n=22)63 (24.3) (n=54)12.1 (2.7 to 21.4)0.01
 At 24 months55 (11.2) (n=14)60 (21.0) (n=43)4.4 (−4.4 to 13.2)0.32
No (%) with Barthel index score of 95 or 100
At 4 months16 (44) (n=36)40 (50) (n=80)0.89* (0.58 to1.36)0.58
At 12 months10 (27) (n=37)39 (53) (n=73)0.51* (0.29 to 0.90)0.01
At 24 months6 (21) (n=28)36 (53) (n=68)0.41* (0.19 to 0.85)0.01

*Relative risk.