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Table 2 Comparison of the total average of GRV before and after intervention in both groups

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

Groups
Time of GRV measurement
Case group
Mean (SD) of GRV (cc)
Control group
Mean (SD) of GRV (cc)
Statistical test
Before 106.76 (58.56) 108.63 (26.58) t = 0.159
p = 0.874
After 97.30 (54.06) 143.46 (39.93) t = 3.62*
p < 0.001
Statistical test t = 0.964
p = 0.343
t = 4.70
p < 0.001*
 
  1. *is significant