Before PSM | Χ2/Z | P | After PSM | Χ2/Z | P | ||||
---|---|---|---|---|---|---|---|---|---|
IR | PR | IR | PR | ||||||
IBM | < 25 | 40 (21.05) | 91 (47.89) | 3.87 | 0.049 | 29 (37.18) | 29 (37.18) | 0 | > 0.05 |
> = 25 | 10 (5.26) | 49 (25.79) | 10 (12.82) | 10 (12.82) | |||||
Sex | Male | 32 (16.84) | 64 (33.68) | 4.93 | 0.026 | 21 (26.92) | 21 (26.92) | 0 | > 0.05 |
Female | 18 (9.47) | 76 (40) | 18 (23.09) | 18 (23.08) | |||||
Smoking | No | 45 (23.68) | 136 (71.58) | 4.17 | 0.041 | 39 (50) | 37 (47.44) | 2.83 | 0.093 |
Yes | 5 (2.63) | 4 (2.11) | 0 (0) | 2 (2.56) | |||||
Injured side | Left | 30 (15.79) | 85 (44.74) | .008 | 0.93 | 23 (29.49) | 20 (25.64) | 0.47 | 0.49 |
Right | 20 (10.53) | 55 (28.95) | 16 (20.51) | 19 (24.36) | |||||
Diabetes | No | 41 (21.58) | 120 (63.16) | .39 | 0.53 | 32 (41.03) | 31 (39.74) | 0.083 | 0.77 |
Yes | 9 (4.74) | 20 (10.53) | 7 (8.97) | 8 (10.26) | |||||
Occupation | Non-heavy manual workers | 37 (19.47) | 109 (57.37) | .31 | 0.58 | 32 (41.03) | 30 (38.46) | 0.32 | 0.58 |
Heavy manual workers | 13 (6.84) | 31 (16.32) | 7 (8.97) | 9 (11.54) | |||||
Interval between injury and surgery | < = 72 h | 17 (8.95) | 56 (29.47) | .56 | 0.45 | 11 (14.10) | 9 (11.54) | 0.27 | 0.60 |
> 72 h | 33 (17.37) | 84 (44.21) | 28 (35.90) | 30 (38.46) | |||||
Reduction type | Closed reduction | 45 (23.68) | 129 (67.89) | 0.22 | 0.64 | 34 (43.59) | 35 (44.87) | .13 | 0.72 |
Open reduction | 5 (2.63) | 11 (5.79) | 5 (6.41) | 4 (5.13) | |||||
Fracture site | Subcapital | 27 (14.21) | 49 (25.79) | 8.81 | 0.012 | 20 (25.64) | 15 (19.23) | 8.67 | 0.013 |
Transcervical | 16 (8.42) | 79 (41.58) | 12 (15.38) | 23 (29.49) | |||||
Substrate | 7 (3.689) | 12 (6.32) | 7 (8.97) | 1 (1.28) | |||||
Garden Classification | II | 0 (0) | 31 (16.33) | 26.67 | 0.001 | 0 (0) | 1 (1.28) | 1.12 | 0.57 |
III | 9 (4.74) | 51 (26.85) | 9 (11.54) | 10 (12.82) | |||||
IV | 41 (21.58) | 58 (30.53) | 30 (38.46) | 28 (35.90) | |||||
Pauwels Classification | I | 5 (2.63) | 37 (19.47) | 8.56 | 0.014 | 5 (6.41) | 7 (8.97) | .46 | 0.80 |
II | 23 (12.11) | 67 (35.26) | 17 (21.79) | 17 (21.79) | |||||
III | 22 (11.58) | 36 (18.95) | 17 (21.79) | 15 (19.23) | |||||
Age (years) | 55 (42.75,59.25) | 50.5 (38.25,60) | -1.05 | 0.29 | 53 (40,59) | 54 (38,60) | -0.15 | 0.88 |