Initial irrigation and débridements, mean ± SD | 1.11 ± 1.84 | 1.07 ± 1.33 | 1.14 ± 2.15 | 0.90 |
Antibiotic use (48 h postoperative) | 34 (97.1) | 14 (100) | 20 (95.2) | 0.41 |
Immediate postoperative Cobb angle, mean ± SD | 29.4 ± 16.5 | 29.5 ± 15.8 | 29.2 ± 17.3 | 0.96 |
Length of hospital stay, mean ± SD, d | 16.0 ± 19.8 | 20.4 ± 27.8 | 13.3 ± 12.6 | 0.32 |
Transfusion | 4 (11.4) | 1 (7.1) | 3 (14.3) | 0.52 |
Volume of transfusion, mean ± SD, mL/kg | 1.1 ± 3.6 | 0.4 ± 1.6 | 1.6 ± 4.4 | 0.36 |
UTI | 7 (21.2) | 3 (21.4) | 4 (21.1) | 0.98 |
Timing | | | | < 0.001 |
Early | 16 (45.7) | 12 (85.7) | 4 (19.1) | |
Late | 19 (54.3) | 2 (14.3) | 17 (80.9) | |
Location | | | | 0.017 |
Superficial | 6 (17.1) | 5 (35.7) | 1 (4.8) | |
Deep | 29 (82.9) | 9 (64.3) | 20 (95.2) | |
Pseudarthrosis | 8 (22.9) | 0 (0) | 8 (38.1) | 0.012 |
Adjuvant antibiotic therapy | 33 (94.3) | 13 (92.9) | 20 (95.2) | 0.77 |
Duration of antibiotic therapy, mean ± SD, d | 117.9 ± 107.1 | 122.9 ± 111.6 | 114.6 ± 106.6 | 0.83 |
Culture | | | | 0.014 |
Gram-positive | 17 (50.0) | 6 (46.2) | 11 (52.4) | |
Gram-negative | 5 (14.7) | 5 (38.5) | 0 (0) | |
Atypicals | 2 (5.9) | 0 (0) | 2 (9.5) | |
None isolated | 5 (14.7) | 0 (0) | 5 (23.8) | |
Polymicrobial | 5 (14.7) | 2 (15.4) | 3 (14.3) | |
Follow-up Cobb angle, mean ± SD | 37.2 ± 19.6 | 33.0 ± 17.6 | 39.7 ± 20.6 | 0.36 |
Percent coronal loss, mean ± SD | 49.8 ± 93.2 | 20.3 ± 41.8 | 69.5 ± 112.3 | 0.08 |
Curve progression rate, mean ± SD, °/yr | 3.8 ± 8.7 | 0.2 ± 4.7 | 5.8 ± 9.8 | 0.036 |