Table 1 Characteristics of participants
Variables | Anterior comminution | Posterior comminution | Superior comminution | Inferior comminution | Multiple comminution | Without comminution | P value |
|---|---|---|---|---|---|---|---|
(n = 14) | (n = 88) | (n = 16) | (n = 60) | (n = 34) | (n = 172) | ||
Age (years) | 51.7 ± 9.6 | 52.1 ± 7.3 | 51.5 ± 7.3 | 49.6 ± 10.3 | 49.9 ± 9.6 | 49.3 ± 13.7 | 0.515 |
Female (%) | 6 (42.9) | 44 (50.0) | 7 (44.8) | 22 (36.7) | 12 (35.3) | 93 (54.1) | 0.144 |
BMI (Kg/m2) | 23.1 ± 3.8 | 23.5 ± 4.3 | 22.8 ± 4.1 | 23.9 ± 4.7 | 23.2 ± 4.6 | 22.9 ± 3.7 | 0.659 |
Tobacco use (%) | 3 (21.4) | 18 (20.4) | 4 (25.0) | 10 (16.6) | 8 (23.5) | 32 (18.6) | 0.951 |
Alcohol use (%) | 2 (14.3) | 12 (13.6) | 1 (6.0) | 7 (11.7) | 6 (17.6) | 25 (14.5) | 0.913 |
Mechanism of injury (%) | Â | Â | Â | Â | Â | Â | 0.800 |
 Traffic accident | 5 (35.7) | 32 (36.4) | 7 (43.8) | 23(38.3) | 15(44.1) | 45(26.2) | 0.505 |
 Fall | 9 (56.3) | 54 (61.4) | 9 (56.3) | 35 (58.4) | 18 (52.9) | 124 (72.1) |  |
 Others | 0 (0.0) | 2 (2.2) | 0 (0.0) | 2 (3.3) | 1 (3.0) | 3 (1.7) |  |
ASA class (%) | Â | Â | Â | Â | Â | Â | 0.511 |
 ASA I/II | 12 (85.7) | 82 (93.2) | 14 (87.5) | 53 (88.3) | 30 (88.2) | 160 (93.0) |  |
 ASA III/IV | 2 (14.3) | 6 (6.8) | 2 (12.5) | 7 (11.6) | 4 (11.8) | 12 (7.0) |  |
Reduction methods (%) | Â | Â | Â | Â | Â | Â | Â |
 CRIF | 12 (85.7) | 63 (71.6) | 14 (87.5) | 53 (88.3) | 22 (64.7)* | 159 (92.4) |  < 0.001 |
 ORIF | 2 (14.3) | 15(28.4) | 2 (12.5) | 7 (11.7) | 12 (35.3)* | 13 (7.6) |  |
Time to surgery (day) | 2.6 ± 1.0 | 2.5 ± 0.9 | 2.4 ± 1.1 | 2.6 ± 0.9 | 2.4 ± 0.8 | 2.7 ± 0.9 | 0.347 |
Operation time(min) | 48.8 ± 15.8 | 49.2 ± 18.4 | 47.5 ± 14.1 | 50.2 ± 20.0 | 55.1 ± 19.2 | 45.8 ± 16.7 | 0.102 |
Intraoperative | Â | Â | Â | Â | Â | Â | Â |
blood loss (ml) | 85.4 ± 55.1 | 83.7 ± 53.9 | 79.2 ± 47.5 | 80.6 ± 53.3 | 123.5 ± 82.4* | 88.6 ± 51.2 |  < 0.001 |
Length of hospital stay (day) | 5.6 ± 2.3 | 5.8 ± 1.9 | 6.0 ± 1.9 | 5.7 ± 2.2 | 5.5 ± 2.4 | 5.6 ± 2.0 | 0.942 |
Follow-up time (years) | 1.6 ± 0.4 | 1.5 ± 0.3 | 1.6 ± 0.2 | 1.6 ± 0.3 | 1.5 ± 0.3 | 1.6 ± 0.4 | 0.237 |