Selected lung function values among the 16 never exposed and 65 previously exposed divers studied at 3 years follow up
| Before school Mean (SD) | After school Mean (SD) | 1 y After school Mean (SD) | 3 yAafter school Mean (SD) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Never exposed (n=16) | Previously exposed (n=65) | Never exposed (n=16) | Previously exposed (n=64) | Never exposed (n=15) | Previously exposed (n=64) | Never exposed (n=16) | Previously exposed (n=65) | ||||||||
| FVC (l) | 6.06 (0.61) | 6.31 (0.88) | 6.17 (0.67) | 6.38 (0.94) | 6.21 (0.66) | 6.46 (0.93) | 6.09 (0.72) | 6.36 (0.96) | |||||||
| FEV1 (l) | 5.05 (0.52) | 5.19 (0.71) | 5.07 (0.63) | 5.20 (0.73) | 5.10 (0.67) | 5.24 (0.77) | 4.95 (0.67) | 5.10 (0.70) | |||||||
| PEF (l/s) | 12.2 (1.5) | 12.6 (1.9) | 12.6 (1.8) | 12.6 (1.9) | 13.3 (2) | 13.2 (1.8) | 12.8 (1.7) | 13.0 (1.8) | |||||||
| FEF25%(l/s) | 10.2 (1.57) | 9.83 (1.81) | 9.73 (2.04) | 9.84 (2.02) | 10.1 (2.22) | 9.91 (1.92) | 9.97 (2.19) | 9.74 (1.88) | |||||||
| FEF50% (l/s) | 6.19 (1.67) | 6.13 (1.58) | 5.95 (1.82) | 6.04 (1.47) | 6.05 (1.92) | 6.00 (1.51) | 5.59 (1.78) | 5.71 (1.39) | |||||||
| FEF75%(l/s) | 2.59 (0.86) | 2.56 (0.77) | 2.60 (1.00) | 2.46 (0.69) | 2.60 (1.01) | 2.48 (0.86) | 2.36 (0.94) | 2.24 (0.65) | |||||||
| FEF25–75% (l/s) | 5.30 (1.40) | 5.17 (1.20) | 5.17 (1.48) | 5.09 (1.17) | 5.20 (1.61) | 5.11 (1.29) | 4.92 (1.42) | 4.80 (1.12) | |||||||
| Tlco(mmol/min/kPa) | 14.3 (2.3) | 13.9 (2.3) | 14.1 (2.2) | 13.8 (2.0) | 14.2 (2.3) | 14.0 (1.9) | 13.6 (2.0) | 13.2 (1.9) | |||||||
| Kco (mmol/min/kPa/l) | 2.04 (0.26) | 1.91 (0.28) | 1.95 (0.25) | 1.85 (0.26) | 1.90 (0.24) | 1.83 (0.24) | 1.86 (0.25) | 1.77 (0.57) | |||||||
| Va (l) | 7.02 (0.70) | 7.35 (1.04) | 7.28 (0.84) | 7.54 (1.07) | 7.44 (0.82) | 7.74 (1.14) | 7.37 (0.82) | 7.77 (1.10) | |||||||