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. Author manuscript; available in PMC: 2017 Sep 13.
Published in final edited form as: Lancet. 2017 Mar 3;389(10078):1519–1527. doi: 10.1016/S0140-6736(17)30066-1

Table 4.

Health-related quality of life by treatment groups without interaction of displacement

Sliding hip screw Cancellous screws n Adjusted mean difference (95% CI) p value for differences between groups
n Mean (SD) n Mean (SD)
12 months
SF-12 PCS16 235 40.8 (11.1) 224 41.9 (10.7) 435 −0.02 (−1.79 to 1.74) 0.98
WOMAC17 240 44.69 (19.08) 226 41.32 (16.73) 438 1.98 (−1.13 to 5.09) 0.21
EQ-5D Index18 249 0.77 (0.20) 238 0.80 (0.17) 460 −0.02 (−0.05 to 0.02) 0.33
24 months
SF-12 PCS16 207 41.6 (10.9) 181 41.4 (11.8) 358 0.50 (−1.61 to 2.61) 0.64
WOMAC17 205 40.97 (16.33) 183 39.75 (17.09) 355 0.35 (−3.03 to 3.74) 0.84
EQ-5D Index18 232 0.79 (0.19) 207 0.80 (0.19) 406 −0.01 (−0.04 to 0.02) 0.51

SF-12 PCS=Short Form-12. PCS=Physical component score. WOMAC=Western Ontario and McMaster Universities Arthritis Index. EQ-5D=EuroQol-5 Dimensions.