Table 7 Surgery and hospitalization related data
Anterior (n = 24) | Posterior (n = 28) | Total (n = 52) | P | |
|---|---|---|---|---|
Operative time (minutes) | 295.8 ± 115.1 | 265.4 ± 65.4 | 279.4 ± 92.1 | 0.497 |
Intraoperative blood loss (ml) | 300.0 (150.0–600.0) | 325.0 (140.0–850.0) | 300.0 (150.0–675.0) | 0.732 |
Screwed vertebrae (n) | 2.0 (2.0–2.0) | 4.0 (3.0–4.0) | 2.0 (2.0–4.0) | < 0.001* |
Fusion segment (n) | 3.0 (2.0–4.0) | 4.0 (3.0–6.0) | 4.0 (3.0–4.8) | 0.003* |
Internal fixation consumables | ||||
Screw (n) | 4.0 (2.0–4.0) | 8.0 (6.0–8.0) | 4.0 (4.0–8.0) | < 0.001* |
Rod (n) | 1.5 (1.0–2.0) | 2.0 (2.0–2.0) | 2.0 (2.0–2.0) | < 0.001* |
Hospital stay (d) | 29.3 ± 7.3 | 29.3 ± 14.0 | 29.3 ± 11.3 | 0.304 |
Medical cost (RMB) | 72,373 (57,709–91,665) | 91,382 (75,012–125,089) | 86,000 (65,481–106,864) | 0.004* |