[Retracted] Impact of Kangaroo Mother Care Intervention on Immunological and Pulmonary Functions of Preterm Infants during Breastfeeding

Table 1

Baseline data of delivery women and their PTIs.

	KMC (n = 46)	Control (n = 40)	t or χ^2
Maternal age (year)	28.37 ± 3.16	28.90 ± 3.20	0.771	0.443
Sex of newborn, n (%)			0.086	0.769
Boy	25 (54.35%)	23 (57.50%)
Girl	21 (45.65%)	17 (42.50%)
Maternal BMI (kg/cm^2)	28.19 ± 1.96	28.62 ± 1.15	1.217	0.227
Gestational age (week)	30.37 ± 1.78	30.63 ± 1.81	0.670	0.505
Weight at birth (g)	1742 ± 123	1723 ± 121
Primiparity, n (%)			0.024	0.878
Yes	28 (60.87%)	25 (62.50%)
No	18 (39.13%)	15 (37.50%)
Nationality, n (%)			0.090	0.764
Han nationality	43 (53.48%)	38 (95.00%)
Minority	3 (6.52%)	2 (5.00%)