Table 5. Dive-by-dive change in R-VdP (dPa) in different experience groups of divers over a day's diving; pair-by-pair comparison for dives 0 to 4 not significant; 95%CI – 95% confidence interval .
| Diving experience | Dive # | Mean | 95%CI | P-value |
| Inexperienced | 0 | -39.7 | -52.9 to -26.5 | > 0.6 |
| 1 | -42.7 | -57.8 to -27.6 | ||
| 2 | -48.3 | -63.8 to -32.9 | ||
| 3 | -55.4 | -75.4 to -35.3 | ||
| 4 | -67.4 | -125.4 to -9.4 | ||
| Intermediate | 0 | -11.9 | -29.5 to 5.6 | > 0.5 |
| 1 | -37 | -56.5 to -17.6 | ||
| 2 | -34.9 | -55.1 to -14.8 | ||
| 3 | -54.3 | -83.8 to -24.7 | ||
| 4 | - | - | ||
| Experienced | 0 | 12.2 | -14.2 to 38.6 | > 0.4 |
| 1 | -16.2 | -44.1 to 11.8 | ||
| 2 | -2.1 | -33.2 to 29 | ||
| 3 | -9.1 | -43.8 to 25.7 | ||
| 4 | - | - | ||
| Professional | 0 | 17.9 | -6.8 to 42.5 | > 0.9 |
| 1 | 9.9 | -18 to 37.8 | ||
| 2 | 2.1 | -26.2 to 30.5 | ||
| 3 | 2.5 | -34.9 to 39.9 | ||
| 4 | 33.7 | -83.5 to -83.5 |