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Statistical analysis results
| Equation 1: Number of corrective casts = 4.1 + 0.6 x pretreatment Pirani score (r2 = 0.05; multiple r = 0.24; p < 0.001) (Fig. 1) |
| Equation 2: Number of corrective casts = 6.4 + 0.05 x child’s age in months at presentation (r2 = 0.10; multiple r = 0.32; p < 0.001) (Fig. 2) |
| Equation 3: Number of corrective casts = 2.5 + 0.8 x pretreatment Pirani score + 0.07 x child’s age in months at presentation (r2 = 0.20; multiple r = 0.44; p < 0.001) |
