Table 1. R-tymp peak pressure (dPa) during six consecutive days of diving in 28 divers (P < 0.001); ∗ Day 1 value is significantly different to values on days 2–6 (pair-by-pair comparison, all P < 0.05) .

Dive number	Mean	95% confidence interval
1	1	0.7 to 1.3
2	1.4	1.1 to 1.7
3	1.3	1 to 1.5
4	1.2	0.8 to 1.6
5	1.1	0.6 to 1.5
6	1.3	0.3 to 2.0