Table 1.
Comparison of fasting and postprandial electrogastrographic variables in healthy control (HC) volunteers and esophagectomized patients with the stomach as a substitute.
| HC (n = 18) | Operated (n = 21) | P (HC vs Operated) | ||
| Normogastria (%) | preprandial | 79.1±10.5 | 45.3±20.5 | P<0.001 |
| postprandial | 81.8±9.8 | 42.4±23.3 | P<0.001 | |
| P (pre- vs postprandial) | NS | NS | ||
| Bradygastria (%) | preprandial | 10.55.7 | 31.1±14.4 | P<0.001 |
| postprandial | 9.7±6.2 | 33.2±14.5 | P<0.001 | |
| P (pre- vs postprandial) | NS | NS | ||
| Tachygastria (%) | preprandial | 8.4±5.7 | 18.5±11.4 | P<0.05 |
| postprandial | 6.8±4.9 | 20.8±12.1 | P<0.001 | |
| P (pre- vs postprandial) | NS | NS | ||
| DF (cpm) | preprandial | 2.81±0.62 | 3.06±1.80 | NS |
| postprandial | 3.04±0.46 | 3.51±2.00 | NS | |
| P (pre- vs postprandial) | P<0.02 | NS | ||
| DFIC (%) | preprandial | 31.2±12.8 | 53.6±25.9 | P<0.001 |
| postprandial | 32.3±14.9 | 55.0±27.9 | P<0.001 | |
| P (pre- vs postprandial) | NS | NS | ||
| DP (mV2) | preprandial | 927±447 | 529±450 | P<0.01 |
| postprandial | 1 399±727 | 603±578 | P<0.001 | |
| P (pre- vs postprandial) | P<0.005 | NS | ||
| DPIC (%) | preprandial | 80.1±30.0 | 82.2±36.9 | NS |
| postprandial | 88.3±30.2 | 83.5±32.4 | NS | |
| P (pre- vs postprandial) | NS | NS | ||
| Power ratio | 1.75±1.2 | 1.09±0.18 | P<0.02 |