Comparison of the effect of two methods of sucking on pacifier and mother's finger on oral feeding behavior in preterm infants: a randomized clinical trial

Table 2 Double comparisons of mean and standard deviation age at the time of discharge and duration of hospitalization in preterm infants in the study groups

Groups^a	NSMF (A) (Mean ± SD) n = 50	NPS (B) (Mean ± SD) n = 50	Control (C) (Mean ± SD) n = 50	P value^b
Variables	NSMF (A) (Mean ± SD) n = 50	NPS (B) (Mean ± SD) n = 50	Control (C) (Mean ± SD) n = 50	P value^b
Age of discharge time(day)	-	18.22 ± 4.70	20.92 ± 5.03	0.01
	18.50 ± 4.81	-	20.92 ± 5.03	0.03
	18.50 ± 4.81	18.22 ± 4.70	-	0.95
Duration of hospitalization (day)	-	27.28 ± 6.20	29.36 ± 5.97	0.23
	25.98 ± 6.78	-	29.36 ± 5.97	0.02
	25.98 ± 6.78	27.28 ± 6.20	-	0.56

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

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