Studying the effect of abdominal massage on the gastric residual volume in patients hospitalized in intensive care units

Table 3 Comparison of the average of GRV before intervention in the case and control groups in different days

Variables	Groups	Average rating	Statistical test
Average of GRV before intervention in first day	Case	29.03	p = 0.514 Z = − 0.562
Average of GRV before intervention in first day	Control	31.97	p = 0.514 Z = − 0.562
Average of GRV before intervention in second day	Case	30.45	p = 0.982 Z = − 0.022
Average of GRV before intervention in second day	Control	30.55	p = 0.982 Z = − 0.022
Average of GRV before intervention in third day	Case	29.02	p = 0.509 Z = − 0.660
Average of GRV before intervention in third day	Control	31.98	p = 0.509 Z = − 0.660

ISSN: 2052-0492