Table 1.
Demographic and procedural data by pre- and postintervention groups.
| Characteristics | Preintervention (n = 425) | Postintervention (n = 448) | P |
| Female, frequency (%) | 224 (57.4%) | 239 (53.3%) | .247 |
| Age, mean (SE) | 52.4 (0.897) | 58.0 (0.824) | .047 |
| Type of procedure, frequency (%) | <.001 | ||
| Repair and plastic operations on joint structures | 159 (37.4%) | 184 (41.1%) | |
| Other operation on bones, except facial bones | 105 (24.7%) | 91 (20.3%) | |
| Reduction of fracture and dislocation | 103 (24.2%) | 97 (21.7%) | |
| Operations on muscle, tendon, fascia, and bursa, except hand | 27 (6.4%) | 16 (3.6%) | |
| Incision and excision of joint structures | 22 (5.2%) | 12 (2.7%) | |
| Operations on spinal cord and spinal canal structures | 9 (2.1%) | 41 (9.2%) | |
| Others | 0 (0%) | 7 (1.6%) | |
| Length of stay | 11.47 (0.332) | 11.01 (0.283) | .293 |
| CMI, mean (SE) | 1.50 (0.034) | 1.55 (0.033) | .317 |