Table 2.
Characteristics | Unmatched |
Matched |
||||
---|---|---|---|---|---|---|
Fixation | Arthroplasty | P value | Fixation | Arthroplasty | P value | |
Total | 2335 | 1971 | - | 1735 | 1735 | - |
Age, y (mean ± SD) | 55.33 ± 2.74 | 55.59 ± 2.75 | .002 | 55.49 ± 2.72 | 55.47 ± 2.77 | .781 |
Sex | ||||||
Male | 851 (36.45) | 758 (38.46) | .174 | 616 (35.50) | 641 (36.95) | .377 |
Female | 1484 (63.55) | 1213 (61.54) | 1119 (64.50) | 1094 (63.05) | ||
Elixhauser | ||||||
0 | 734 (31.34) | 425 (21.65) | <.001 | 422 (24.32) | 425 (24.50) | .592 |
1 | 602 (25.78) | 519 (26.33) | 459 (26.46) | 473 (27.26) | ||
2 | 413 (17.69) | 424 (21.51) | 356 (20.52) | 349 (20.12) | ||
3 | 258 (11.05) | 285 (14.46) | 217 (12.51) | 220 (12.68) | ||
4+ | 137 (5.87) | 166 (8.42) | 122 (7.03) | 125 (720) | ||
Fracture typea | ||||||
1 | 56 (2.40) | 25 (1.27) | <.001 | 26 (1.50) | 25 (1.44) | .993 |
2 | 381 (16.32) | 204 (10.35) | 198 (11.41) | 204 (11.76) | ||
3 | 356 (15.25) | 200 (10.15) | 207 (11.93) | 200 (11.53) | ||
4 | 354 (15.16) | 208 (10.55) | 206 (11.87) | 208 (11.99) | ||
5 | 1188 (50.88) | 1334 (67.68) | 1098 (63.29) | 1098 (63.29) | ||
Smoking status | ||||||
No | 1931 (82.70) | 1677 (85.08) | .034 | 1456 (83.92) | 1457 (83.98) | .963 |
Yes | 404 (17.30) | 294 (14.92) | 279 (16.08) | 278 (16.02) |
SD, standard deviation.
Elixhauser Comorbidity Index with patients grouped categorically by number of comorbidities present.
Fracture type 1 = closed fracture of upper neck of femur; 2 = closed fracture of midcervical section of neck of femur; 3 = closed fracture of base of neck of femur; 4 = closed fracture of intracapsular section of neck of femur, unspecified; 5 = closed fracture of unspecified part of neck of femur.