TABLE VII.

Univariate Analysis for ≥45° (Surgical-Candidate) Scoliosis^*

	With ≥45° Scoliosis (N = 12)	Without ≥45° Scoliosis (N = 471)	P Value
Female:male ratio (no. of patients)	9:3	217:254	0.047†
Interval between birth and surgery‡ (d)	58.6 ± 55.46	113.5 ± 107.4	0.350§
Cardiopulmonary bypass (no. of patients)	11 (92%)	448 (95%)	0.587†
Sternotomy (no. of patients)	12 (100%)	458 (97%)	0.560†
Left thoracotomy (no. of patients)	2 (17%)	77 (16%)	0.977†
Right thoracotomy (no. of patients)	1 (8%)	54 (11%)	0.736†
Bilateral thoracotomy (no. of patients)	2 (17%)	16 (3%)	0.017†
Number of surgical procedures‡	2.7 ± 1.4	1.9 ± 1.2	0.025§
Cardiomegaly (CTR ≥55%) (no. of patients)	7 (58%)	64 (14%)	<0.001†
Postop. cyanosis (no. of patients)	1 (8%)	57 (12%)	0.692†
Postop. heart failure (no. of patients)	4 (33%)	135 (29%)	0.724†
NYHA class (1/2/3/4) (n = 475) (no. of patients)	0/6/4/0	1/394/65/5	0.145†
Age at radiography‡ (yr)	15.2 ± 3.1	14.4 ± 2.9	0.312§

^*CTR = cardiothoracic ratio, and NYHA = New York Heart Association.

^†Chi-square test.

^‡The values are given as the mean and the standard deviation.

^§Mann-Whitney U test.