Table 3.

Compares bowel sounds for various breast milk intake ratios.

Groups	n	Rate (times/min)	Duration (s/min)	Amplitude (0–1)	Frequency (Hz)	Interval (s)
Breast milk intake ratio	<50%	40	25.60* (13.70–35.90)	7.90* (3.60–13.20)	0.47# (0.26–0.73)	941.30# (837.13–1,027.98)	2.10# (1.30–3.40)
	50%–75%	12	29.10+ (18.83–38.88)	9.40+ (5.30–15.90)	0.49+ (0.29–0.66)	934.40 (842.85–1,048.45)	1.90+ (1.20–3.40)
	>75%	16	24.20 (15.80–34.00)	7.20 (4.33–11.60)	0.42 (0.28–0.59)	957.45 (876.60–1,045.43)	2.60 (1.50–4.08)

Multiple rank-sum test:

^*Breast milk ratio <50% vs. Breast milk ratio 50%–75% (adj. P < 0.05).

^#Breast milk ratio <50% vs. Breast milk ratio >75% (adj. P < 0.05).

⁺Breast milk ratio 50%–75% vs. Breast milk ratio >75% (adj. P < 0.05).