Analysis of Factors Influencing Thoracic Deformities after Median Sternotomy in Infants Who Underwent Congenital Cardiac Surgery

Table 2

Comparison of clinical data between the two groups.

	Thoracic deformity (n = 17)	No thoracic deformity (n = 139)	value
Age at operation (m)	1.9 ± 0.9	3.7 ± 1.2	<0.001
Male gender, n (%)	8 (47.1)	77 (55.4)	0.609
Weight-for-age Z-scores	−2.0 ± 0.7	−1.4 ± 0.7	0.001
Aortic cross-clamp time (min)	58.9 ± 9.1	57.8 ± 11.4	0.685
Cardiopulmonary bypass time (min)	93.4 ± 10.7	94.5 ± 12.3	0.722
Duration of surgery (h)	3.5 ± 0.6	3.6 ± 0.8	0.553
Delayed sternal closure, n (%)	2 (11.8)	8 (5.8)	0.298
Use sternal pins, n (%)	3 (17.6)	86 (61.9)	0.001
Duration of mechanical ventilation (d)	4.7 ± 1.3	4.1 ± 1.4	0.116
Length of hospital stay	13.2 ± 2.4	11.9 ± 2.6	0.063