Table 1.
RAIR distention volume groupings
| Group | Average ± SEM (cc) | Range (cc) |
|---|---|---|
| 1 | 15 ± 1.7 | 10–20 |
| 2 | 40 ± 2.1 | 30–50 |
| 3 | 71 ± 1.8 | 60–80 |
| 4 | 101 ± 1.8 | 90–110 |
| 5 | 177 ± 18.7 | 130–280 |
RAIR, recto-anal inhibitory reflex.
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