Table 2.

Values of the clinical parameters in braced patients versus admitted for surgical treatment patients matched for sex, age, and Cobb angle. The mean and standard deviation are presented. HS: Hump Sum. s: difference significant. ns: difference not significant.

Parameter	Brace-treated patients n = 23	Admitted for surgery patients n = 22	Significance of difference	P value
Cobb angle	55.0° ± 6.8°	59.7° ± 14.6°	ns	0.67
ATR main curve	11.9° ± 3.4°	15.1° ± 5.6°	s	0.027
ATR three levels	17.9° ± 4.7°	21.8° ± 6.1°	ns	0.2
HS standing	16.8° ± 3.8°	19.2° ± 4.6°	Not quite s	0.07
C7 plumb line	0.32 ± 1.7 cm	0.45 ± 1.9 cm	ns	0.83
Axillary plumb line	0.71 ± 2.1 cm	2.36 ± 3.1 cm	Not quite s	0.06
POTSI index	33.08 ± 18.3	41.36 ± 22.08	ns	0.19