Table 2 Number of events of high gastric residual volume in
patients with this complication
Events Control
(GRV: 200)
(n = 165)
Study*
(GRV: 500)
(n = 157)
0 95 (57.6%) 115 (73.2%)
1 32 (19.4%) 25 (15.9%)
2 16 (9.7%) 10 (6.4%)
3 10 (6.1% 5 (3.2%)
4 5 (3.0%) 1 (0.6%)
5 3 (1.8%) 1 (0.6%)
6 0 0
7 2 (1.2%) 0
8 2 (1.2%) 0
* Cochran-Armitage trend test. P = 0.0003
GRV gastric residual volume
1389