Effects of different timing nutritional support on the growth and development < 2 kg newborns and mothers' anxiety and depression

Table 2 Comparison of milk volume between the two groups during nutritional support, mean ± SD

Milk volume (mL/kg/d)	Group S (n = 32)	Group L (n = 32)	t value	P value
1 week	14.72 ± 3.43	11.35 ± 2.98	4.196	< 0.001
2 weeks	48.95 ± 11.24	40.86 ± 11.71	2.819	0.006
3 weeks	75.38 ± 16.57	66.32 ± 14.75	2.310	0.024
4 weeks	98.43 ± 19.16	89.05 ± 17.98	2.019	0.048