Parameters | Control | Kitchen workers (North India) | Kitchen workers (South India) | |||
---|---|---|---|---|---|---|
Non MAU (n = 107) | MAU (n = 38) | Non MAU (n = 101) | MAU (n = 132) | Non MAU (n = 108) | MAU (n = 78) | |
FEV1 (L/s) Mean ± SD (Range) | 2.25 ± 0.56 (1.03 – 3.35) | 2.01 ± 0.63 (0.67 – 3.51) | 1.95 ± 0.57 (0.91 – 3.58) | 1.74 ± 0.56* (0.88 – 2.98) | 1.60 ± 0.49 (0.49 – 2.65) | 1.30 ± 0.49*** (0.28 – 2.69) |
FEV6 (L/s) Mean ± SD (Range) | 2.49 ± 0.61 (1.26 – 3.78) | 2.32 ± 0.66 (0.82 – 4.38) | 2.24 ± 0.56 (0.96 – 3.65) | 2.06 ± 0.51* (0.88 – 3.19) | 1.98 ± 0.53 (0.72 – 3.76) | 1.78 ± 0.63* (0.36 – 3.6) |
PEFR (L/min) Mean ± SD (Range) | 435.06 ± 99.97 (162 – 702) | 328.31 ± 97.83 (142 – 650) | 415.27 ± 111.04 (151 – 657) | 382.71 ± 135.66* (144 – 658) | 303.18 ± 90.39 (108 – 572) | 296.68 ± 102.29*** (71 – 564) |
% predicted FEV1% Mean ± SD (Range) | 76.94 ± 17.28 (35.86 – 114.73) | 70.41 ± 19.74 (29.58 – 127.63) | 68.95 ± 19.51 (30.67 – 134.38) | 63.03 ± 18.20* (29.98 – 109.76) | 57.40 ± 18.06 (14.02 – 106.20) | 45.60 ± 17.19*** (14.34 – 104.49) |
% predicted FEV6% Mean ± SD (Range) | 68.86 ± 15.67 (33.41 – 112.46) | 64.28 ± 17.48 (24.63 – 117.98) | 62.24 ± 16.91 (30.22 – 128.61) | 57.56 ± 14.01* (29.71 – 95.17) | 57.23 ± 15.51 (21.78 – 103.30) | 50.40 ± 17.04* (14.18 – 116.88) |
Obstruction (FEV1/FEV6) n (%) | 15 (14.02) | 5 (13.16) | 4 (3.96) | 13 (9.85) | 26 (24.07) | 30 (38.46)** |
Restriction n (%) | 77 (71.96) | 29 (76.32) | 47 (46.53) | 81 (61.36) | 86 (79.63) | 68 (87.18) |