Table 3.

Comparison of mean and standard deviation PIBBS score in the three groups

Groupsa	NSMF(A) n = 50	NPS (B) n = 50	Control (C( n = 50	P valueb
Variables
Rooting	1.76 ± 0.47	1.64 ± 0.48	1.30 ± 0.67	< 0.001
Areolar grasp	2.38 ± 0.85	2.20 ± 0.92	1.96 ± 1.06	0.09
Latched on and fixed to the breast	1.66 ± 0.68	1.46 ± 0.76	1.40 ± 0.90	0.23
Sucking	2.52 ± 0.76	2.28 ± 0.64	2.02 ± 0.74	0.003
Longest sucking burst	2.32 ± 0.84	1.96 ± 0.96	2.10 ± 1.21	0.21
Swallowing	1.70 ± 0.46	1.52 ± 0.61	1.60 ± 0.49	0.23
Total score of PIBBS	12.34 ± 3.37	11.00 ± 3.55	10.40 ± 4.29	0.03
Time to achieve independent oral nutrition (day)	22.12 ± 8.15	22.54 ± 7.54	25.86 ± 7.93	0.03

^aGroups: A. NSMF (non-nutritive sucking mother's finger), B. NPS (non-nutritive pacifier sucking), C. Control

^bANOVA test