Table 5.

Milk output with different pumping frequency, first pumping time or OOL-II time.

	n	Milk output (g/d)
		D7	D14	D42
Pumping frequency
<6 times/d	4	299.5 ± 213.1	447.5 ± 361.3	557.5 ± 308.2
≥ 6 times/d	26	490.1 ± 231.0	768.5 ± 348.2	1178.7 ± 419.4
t-test		−1.549	−1.71	−2.828
P-value		0.133	0.098	0.009
First pumping time (h)
≤6 h	12	480.3 ± 239.2	794.1 ± 420.9	1096.9 ± 551.4
> 6 h	18	454.2 ± 237.9	680.0 ± 319.6	1095.2 ± 396.8
t-test		0.294	0.843	0.010
P-value		0.771	0.406	0.992
Time to reach OOL-II
≤72 h	12	654.6 ± 183.0	1028.5 ± 252.1	1436.9 ± 278.4
>72 h	18	344.0 ± 183.7	523.8 ± 270.8	868.6 ± 409.0
t-test		4.412	5.137	4.197
P-value		<0.001	<0.001	<0.001