Groups | The epidemic group | The control group | P value |
---|---|---|---|
Number | N = 82 | N = 342 | |
Age, years; mean (SD) | 54.6 (20.2) | 48.6 (22.5) | P = 0.028 |
Gender, n (%) | P = 0.121 | ||
Male | 54 (65.9%) | 193 (56.4%) | |
Female | 28 (34.1%) | 149 (43.6%) | |
Injury priority, n (%) | P < 0.001 | ||
Priority A | 6 (7.3%) | 45 (13.2%) | |
Priority B | 8 (9.8%) | 37 (10.8%) | |
Priority C | 68 (82.9%) | 131 (38.3%) | |
Priority D | 0 | 89 (26.0%) | |
Priority E | 0 | 40 (11.7%) | |
Type of diseases, n (%) | P < 0.001 | ||
Traumatic fractures | 57 (69.5%) | 121 (35.4%) | |
Non-traumatic diseases | 25 (30.5%) | 221 (64.6%) | |
Bone tumors | 5 (6.1%) | 27 (7.9%) | |
Tuberculosis | 4 (4.9%) | 12 (3.5%) | |
Degenerative spinal disease | 12 (14.6%) | 65 (19.0%) | |
Arthropathy | 4 (4.9%) | 20 (5.8%) | |
Others | 0 | 97 (28.4%) | |
Injury causes, n (%) | P < 0.001 | ||
Low-energy injuries | 49 (86.0%) | 45 (37.2%) | |
High-energy injuries | 8 (14.0%) | 76 (62.8%) | |
Fracture location, n (%) | P = 0.003 | ||
Elderly osteoporotic fractures (≥ 55 years) | 28 (49.1%) | 22 (18.2%) | |
Limb fractures (≤ 55 years) | 15 (26.3%) | 63 (52.1%) | |
Spinal cord injuries | 7 (12.3%) | 16 (13.2%) | |
Multiple fractures | 7 (12.3%) | 20 (16.5%) | |
Type of fracture, n (%) | P < 0.001 | ||
Closed fracture | 53 (93.0%) | 73 (60.3%) | |
Open fracture | 4 (7.0%) | 48 (39.7%) | |
Preoperative waiting time, mean (SD) | 7.0 (2.6) | 4.5 (2.1) | P < 0.001 |
Perioperative complications, n (%) | 13 (12.2%) | 12 (3.5%) | P < 0.001 |
Cardiovascular complications | 2 (15.4%) | 4 (33.3%) | |
Venous thromboembolism | 8 (61.5%) | 3 (25.0%) | |
Pneumonia | 3 (23.1%) | 5 (41.7%) | |
Screening effect, n (%) | |||
Excluded COVID-19 | 80 (97.6%) | ||
Confirmed COVID-19 | 2 (2.4%) | ||
Nosocomial infection, n (%) | 0 |