Table 1.
Comparison between the treatment and control groups
| Characteristic | Control group (Vancomycin -) | Treatment group (Vancomycin +) | p-value |
|---|---|---|---|
| Total no. of patients | 70 | 88 | |
| Age (yr) | 49.31±22.77 | 50.77±22.47 | |
| Sex | |||
| Male | 26 (37.1) | 40 (45.5) | |
| Female | 44 (62.9) | 48 (54.5) | |
| American Society of Anesthesiologists status classification | physical | 0.307 | |
| I | 42 (60.0) | 42 (47.7) | |
| II | 18 (25.7) | 27 (30.7) | |
| III | 10 (14.3) | 17 (19.3) | |
| IV | 0 | 2 (2.3) | |
| Diagnosis | 0.649 | ||
| Deformity | 10 (14.3) | 9 (10.2) | |
| Degenerative | 37 (52.9) | 53 (60.2) | |
| Trauma | 9 (12.9) | 8 (9.1) | |
| Tumor | 6 (8.6) | 11 (12.5) | |
| Others | 8 (11.4) | 7 (8.0) | |
| Instrumentation | 0.001 | ||
| Yes | 56 (80.0) | 85 (96.6) | |
| No | 14 (20.0) | 3 (3.4) | |
| Vertebral fusion | 0.227 | ||
| <3 | 21 (30.0) | 19 (21.6) | |
| ≥3 | 49 (70.0) | 69 (78.4) | |
| No. of vertebral fusion | 4 (0–18) | 4 (0–18) | 0.226 |
| Surgery duration (min) | 270 (90–600) | 330 (120–600) | 0.004 |
| Blood loss (mL) | 275 (0–4,509) | 400 (50–6,000) | 0.001 |
| Hospitalization period (day) | 3 (0–38) | 4 (1–18) | 0.019 |
Values are presented as number (%), mean±standard deviation, mean (minimum–maximum). Bold type is considered statistically significant (p <0.05).