Table 6 Lung function measures according to exposure from oil tank explosion in men and women
Control | Exposed | Difference between exposed <6 km and control | Difference between exposed 3-6km and control | Difference between exposed <3 km and control | |
|---|---|---|---|---|---|
Men | n = 91 | n = 99 | |||
AM (SD)a | AM (SD)a | AM difference (95% CI)b | AM difference (95% CI)b | AM difference (95% CI)b | |
FEV1 (mL) | 3860 (827) | 3746 (843) | - 137 (−307, 32) | −87 (−336, 161) | −194 (−406, 18) |
FEV1% predicted | 90.7 (13.8) | 88.5 (14.9) | −1.6 (−5.7, 2.5) | −0.6 (−6.6, 5.4) | −2.7 (−8.8, 3.5) |
FVC (mL) | 5125 (843) | 4902 (880) | −242 (−435, -50) | −212 (−497, 73) | −275 (−569, 18) |
FVC% predicted | 99.5 (11.8) | 96.1 (13.0) | −3.7 (−7.4, 0.0) | −2.4 (−7.9, 3) | −5.1 (−10.6, 0.5) |
FEV1/FVC ratio | 0.75 (0,08) | 0.76 (0,08) | 0.01 (−0.01, 0.03) | 0.02 (−0.01, 0.05) | 0.00 (−0.02, 0.03) |
n (%) | n (%) | ||||
Airway obstruction c before salbutamol | 5 (6) | 14 (14) | |||
Airway obstruction c after salbutamol | 4 (4) | 9 (9) | |||
Women | n = 71 | n = 94 | |||
AM (SD)a | AM (SD)a | AM difference (95% CI)b | AM difference (95% CI)b | AM difference (95% CI)b | |
FEV1 (mL) | 2896 (543) | 2775 (700) | −99 (−235, 37) | −206 (−402, -10) | 5 (−190, 199) |
FEV1% predicted | 95.7 (12.8) | 90.6 (15,4) | −3.5 (−8.1, 1.1) | −7.2 (−13.9, -0.5) | 0.0 (−6.6, 6.5) |
FVC (mL) | 3667 (625) | 3567 (807) | −92(−250, 87) | −252 (−478, -27) | 66 (−158, 289) |
FVC% predicted | 99.8 (12,2) | 96.6 (13.8)) | −1.6 (−6.4, 3.2) | −6.5 (−12.6, -0.4) | 1.0 (−5.0, 7.0) |
FEV1/FVC ratio | 0.80 (0.06) | 0.77 (0.09) | −0.01 (−0.3, 0.01) | −0.01 (−4.2, 2.3) | −1.4 (−4.6, 1.9) |
n (%) | n (%) | ||||
Airway obstructionc before salbutamol | 3 (4) | 7 (7) | |||
Airway obstructionc after salbutamol | 1 (2) | 6 (6) |