Average postoperative length of stay for congenital scoliosis patients who underwent posterior fusion by patient factors.
| Patient Factors | Length of Stay, mean (SD) | Bivariate Analyses | Multivariate Analysis | ||
| Beta | P | Beta | P | ||
| Overall | 4.64 (3.71) | ||||
| Age, y | 0.0295 | 0.2232 | |||
| 0–4 | 5.24 (4.71) | +0.37 | +0.07 | ||
| 5–9 | 4.30 (2.59) | −0.56 | −0.62 | ||
| 10–14 | 4.87 (4.04) | ref | ref | ||
| 15–19 | 4.07 (2.89) | −0.79 | −0.70 | ||
| Sex | 0.4977 | ||||
| Men | 4.74 (4.29) | ref | ref | ||
| Women | 4.57 (3.21) | −0.18 | |||
| Body mass index group | 0.5259 | ||||
| Underweight (<18.5 kg/m2) | 4.85 (4.50) | +0.40 | |||
| Nonobese (18.5–29.9 kg/m2) | 4.44 (2.77) | ref | |||
| Obese I (30.0–34.9 kg/m2) | 4.50 (2.36) | +0.05 | |||
| Obese II (35.0–39.9 kg/m2) | 5.43 (6.65) | +0.98 | |||
| Obese III (≥40 kg/m2) | 3.8 (0.84) | −0.65 | |||
| Nutritional support | 7.47 (6.46) | +3.00 | <0.0001 | +0.55 | 0.3715 |
| Esophageal/gastric/intestinal disease | 5.65 (4.70) | +1.15 | 0.0039 | −0.13 | 0.7614 |
| Ionotropic support during surgery | 5.63 (3.20) | +0.99 | 0.4513 | ||
| Seizure disorder | 7.14 (6.60) | +2.61 | <0.0001 | +0.77 | 0.2494 |
| Tracheostomy | 11.31 (7.64) | +6.77 | <0.0001 | +4.20 | 0.0001 |
| Chronic steroid use | 5.50 (2.52) | +0.86 | 0.6428 | ||
| Developmental delay | 5.49 (4.28) | +1.10 | 0.0003 | −0.02 | 0.9492 |
| Previous cardiac surgery | 5.58 (5.07) | +1.07 | 0.0074 | +0.37 | 0.3676 |
| Chronic lung disease | 7.67 (7.11) | +3.26 | <0.0001 | +1.83 | 0.0004 |
| Structural central nervous systm abnormality | 5.50 (4.79) | +1.10 | 0.0004 | +0.63 | 0.0399 |
| Asthma | 5.01 (3.52) | +0.41 | 0.3198 | ||
| Oxygen support | 10.31 (8.77) | +5.78 | <0.0001 | +3.23 | 0.0008 |
| Hematologic disease | 4.20 (1.88) | .−0.45 | 0.5893 | ||
| Structural pulmonary/airway abnormality | 6.08 (5.08) | +1.61 | <0.0001 | +0.13 | 0.7661 |
| Blood transfusions within 48 h prior to surgery | 5.25 (2.06) | +0.61 | 0.7425 | ||
| American Society of Anesthesiologists Score | <0.0001 | 0.3416 | |||
| 1–2 | 4.14 (3.30) | ref | ref | ||
| >2 | 5.28 (4.08) | +1.14 | +0.27 | ||
| Fusion to pelvis | 5.92 (5.04) | +1.38 | 0.0051 | +0.66 | 0.1762 |
| Osteotomy | 4.73 (3.64) | +0.13 | 0.6407 | ||
| Levels fused | 0.0024 | 0.0082 | |||
| <7 | 4.34 (3.94) | ref | ref | ||
| 7–12 | 4.41 (3.22) | +0.07 | +0.18 | ||
| >12 | 5.40 (3.91) | +1.06 | +0.73 | ||