Mean  ± SD (minimum-maximum) (degrees) All (n=132) 4.3  ± 4.0 (0-19) Subgroup T3 (n=51) 4.0  ± 4.0 (0-17) T4 (n=39) 4.6  ± 3.9 (0-19) T5 (n=42) 4.3  ± 4.2 (0-19)

Table 5: Axis misalignment.