Table 3.
Comparison of saccharin transit time test (minutes) values between male and female smokers and non-smokers according to pulmonary function variables. The data are expressed in median and interquartile range.
| Variables | Smokers |
Non-smokers |
p-value | |||
|---|---|---|---|---|---|---|
| Men (n = 33) | Women (n = 37) | Men (n = 32) | Women (n = 37) | |||
| FVC (% of predicted) | <97.37 | 10.37 (8.49) | 13.16 (9.31) | 15.46 (14.84) | 6.17 (5.54) | 0.0352a |
| ≥97.37 | 8.73 (6.12) | 8.63 (5.03) | 7.05 (5.99) | 9.45 (9.24) | 0.7544 | |
| FEV1 (% of predicted) | <93.40 | 10.59 (10.33) | 11.8 (9.53) | 15.57 (21.41) | 8.6 (8.55) | 0.0613 |
| ≥93.40 | 9.48 (5.38) | 9.55 (4.80) | 7.05 (5.89) | 8.32 (7.78) | 0.7543 | |
| FEV1/FVC (%) | <80.55 | 8.25 (10.00) | 8.28 (6.21) | 9.25 (8.53) | 8.6 (8.22) | 0.6892 |
| ≥80.55 | 10.55 (6.77) | 10.78 (6.45) | 7.9 (17.44) | 8.3 (9.99) | 0.5509 | |
| PEF (% of predicted) | <96.25 | 10.3 (11.16) | 10.78 (8.17) | 11.49 (15.59) | 7.44 (8.06) | 0.2173 |
| ≥96.25 | 10.3 (7.24) | 9.09 (5.74) | 7.05 (10.47) | 8.67 (7.61) | 0.9521 | |
| FEF25–75% (% of predicted) | <89.10 | 8.11 (7.16) | 6.05 (9.00) | 10.55 (10.64) | 4.82 (6.71) | 0.0981 |
| ≥89.10 | 11.38 (6.69) | 10.56 (5.49) | 7.47 (16.29) | 9.45 (9.41) | 0.5813 | |
FVC, forced vital capacity; FEV1, forced expiratory volume in one second; PEF, peak expiratory flow; FEF25–75%, forced expiratory flow between 25% and 75%.
a
p < 0.05.