Table 2.

Cobb angle of major and minor curves, curve correction, and loss of correction

		P
Cobb angle major curve
Preoperative mean (median; SD; range)	63 (64 ± 10; 48–84)
Postoperative	22 (22 ± 9; 5–43)
Final follow-up	24 (24 ± 9; 8–50)
Curve correction (%)
Postoperative	65 (63 ± 12; 48–91)
Final follow-up	62 (60 ± 12; 40–85)
Loss of correction (°)	2 (2 ± 2; −1–7)	0.0007*
Cobb angle minor curve if instrumented (°)  (n = 14)
Preoperative	56 (54 ± 13; 32–74)
Postoperative	21 (22 ± 5; 12–29)
Final follow-up	23 (23 ± 5; 12–30)
Curve correction (%)
Postoperative	62 (60 ± 9; 48–78)
Final follow-up	58 (59 ± 9; 44–71)
Loss of correction (°)	2 (2 ± 3; −4–6)	0.02*

* Statistically significant (P < 0.05)