Table 1.
Fixation vs total hip arthroplasty for femoral neck fracture, 40-49 y.
| Characteristics | Unmatched |
Matched |
||||
|---|---|---|---|---|---|---|
| Fixation | Arthroplasty | P value | Fixation | Arthroplasty | P value | |
| Total | 761 | 431 | - | 389 | 389 | |
| Age, y (mean ± SD) | 45.13 ± 2.87 | 45.98 ± 2.70 | <.001 | 45.69 ± 2.79 | 45.81 ± 2.74 | .570 |
| Sex | ||||||
| Male | 391 (51.98) | 229 (53.13) | .561 | 210 (53.98) | 209 (53.73) | .943 |
| Female | 370 (48.62) | 202 (46.87) | 179 (46.02) | 180 (46.27) | ||
| Elixhauser | ||||||
| 0 | 335 (55.98) | 114 (26.45) | <.001 | 122 (31.36) | 114 (29.31) | .533 |
| 1 | 190 (24.97) | 120 (27.84) | 110 (28.28) | 115 (29.56) | ||
| 2 | 115 (15.11) | 92 (21.35) | 74 (19.02) | 75 (19.28) | ||
| 3 | 59 (7.75) | 50 (11.60) | 41 (10.54) | 41 (10.54) | ||
| 4+ | 31 (4.07) | 25 (5.80) | 21 (5.40) | 22 (5.66) | ||
| Fracture typea | ||||||
| 1 | 16 (2.10) | 3 (0.70) | <.001 | 2 (0.51) | 3 (0.77) | .891 |
| 2 | 111 (14.59) | 27 (6.26) | 21 (5.40) | 27 (6.94) | ||
| 3 | 143 (18.79) | 25 (5.80) | 26 (6.68) | 25 (6.43) | ||
| 4 | 94 (12.35) | 47 (10.90) | 45 (11.57) | 47 (12.08) | ||
| 5 | 397 (52.17) | 329 (76.33) | 295 (75.84) | 287 (73.78) | ||
| Smoking status | ||||||
| No | 643 (84.49) | 336 (77.96) | .005 | 322 (82.78) | 321 (85.52) | .925 |
| Yes | 118 (15.51) | 95 (22.04) | 67 (17.22) | 68 (17.48) | ||
SD, standard deviation.
Elixhauser Comorbidity Index with patients grouped categorically by number of comorbidities present.
a
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.