Lung function in the 77 divers who attended the six year follow up examination
| Baseline | 1 year | 3 year | 6 year | |
|---|---|---|---|---|
| n=77 | n=76 | n=76 | n=77 | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| *Significantly different from baseline, p<0.05; †significantly different from 1 year follow up, p<0.05; ‡significantly different from 3 year follow up, p<0.05. | ||||
| FVC (l) | 6.23 (0.82) | 6.39 (0.88)* | 6.32 (0.91) | 6.10 (0.88)*†‡ |
| FEV1 (l) | 5.15 (0.67) | 5.22 (0.75) | 5.09 (0.69)† | 4.98 (0.72)*† |
| PEF (l/s) | 12.43 (1.77) | 13.15 (1.80)* | 12.95 (1.75)* | 12.10 (1.80)†‡ |
| FEF25% (l/s) | 9.86 (1.66) | 9.89 (1.81) | 9.80 (1.83) | 9.38 (1.84)*†‡ |
| FEF50% (l/s) | 6.12 (1.58) | 5.97 (1.55) | 5.69 (1.47)*† | 5.67 (1.56)*† |
| FEF75% (l/s) | 2.58 (0.78) | 2.50 (0.89) | 2.27 (0.73)*† | 2.20 (0.75)*† |
| FEF25–75% (l/s) | 5.20 (1.23) | 5.11 (1.33) | 4.84 (1.18)*† | 4.99 (1.44)* |
| TlCO (mmol/min/kPa) | 14.2 (2.2) | 14.1 (2.0) | 13.4 (1.9)*† | 13.1 (1.8)*† |
| KCO (mmol/min/kPa/l) | 1.97 (0.28) | 1.86 (0.24)* | 1.76 (0.22) | 1.75 (0.22)*† |
| VA (l) | 7.26 (1.00) | 7.66 (1.09)* | 7.68 (1.05)* | 7.54 (1.07)*‡ |