Annual per cent change in lung function variables during the last five years of follow up in all divers, the non-smoking divers, and the policemen
| All divers | Non-smoking divers | Policemen | |
|---|---|---|---|
| n=76 | n=43 | n=61 | |
| Mean (SD) | Mean (SD) | Mean (SD) | |
| Significantly different from the change in policemen: *p<0.05; ***p<0.001. | |||
| FVC | −0.91 (1.22)*** | −1.01 (1.28)*** | −0.24 (1.04) |
| FEV1 | −0.84 (1.28)*** | −1.06 (1.20)*** | −0.16 (1.07) |
| PEF | −1.58 (1.91) | −1.69 (1.82) | −1.19 (1.56) |
| FEF25% | −0.98 (2.20) | −1.29 (1.84) | −0.63 (2.11) |
| FEF50% | −0.82 (2.63) | −1.09 (2.62) | −0.62 (2.00) |
| FEF75% | −2.05 (3.00) | −2.89 (2.56) | −2.12 (2.47) |
| FEF25–75% | −0.32 (2.61) | −0.95 (2.14)* | 0.26 (2.10) |
| TlCO | −1.33 (1.85)* | −1.33 (1.83)* | −0.43 (1.53) |
| KCO | −1.04 (1.71) | −0.91 (1.69) | −0.50 (1.44) |
| VA | −0.30 (1.20)* | −0.43 (1.02)* | 0.05 (0.77) |