Comparison 2. Using two different criteria of gastric residual for feed interruption while monitoring gastric residual.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number of infants with NEC stage 2 or 3	1	87	Risk Ratio (M‐H, Fixed, 95% CI)	5.35 [0.26, 108.27]
2 TIme to reach full enteral feeds	1	87	Mean Difference (IV, Fixed, 95% CI)	‐0.10 [‐0.91, 0.71]
3 Number of infants with surgical NEC	1	87	Risk Ratio (M‐H, Fixed, 95% CI)	5.35 [0.26, 108.27]
4 Time to regain birth weight (days)	1	87	Mean Difference (IV, Fixed, 95% CI)	1.0 [‐0.37, 2.37]
5 Number of infants with extrauterine growth restriction at discharge	1	87	Risk Ratio (M‐H, Fixed, 95% CI)	0.54 [0.14, 2.01]
6 Number of infants with episodes of interruption of feeds (lasting ≥ 12 hours)	1	87	Risk Ratio (M‐H, Fixed, 95% CI)	3.21 [0.13, 76.67]
7 Number of TPN days	1	87	Mean Difference (IV, Fixed, 95% CI)	0.80 [‐0.78, 2.38]
8 Number of infants with Invasive Infection	1	87	Risk Ratio (M‐H, Fixed, 95% CI)	5.35 [0.26, 108.27]
9 All‐cause mortality before discharge	1	87	Risk Ratio (M‐H, Fixed, 95% CI)	3.21 [0.13, 76.67]