Results of conductance measurements (mean values (+/-1 standard deviations) are given where appropriate)
| Non-smoking group | Smoking group | Difference between groups | 95% CI of difference | |
|---|---|---|---|---|
| Respiratory conductance (l/s/cm H2O) | 0.017 (0.004) | 0.016 (0.004)** | 0.001 | 0.000178 to 0.000182 |
| Specific respiratory conductance (s/cm H2O) | 0.181 (0.053) | 0.177 (0.044) | 0.003 | −0.0093 to 0.0154 |
| Pulmonary conductance (l/s/cm H2O) | 0.037 (0.027) | 0.032 (0.029) | 0.005 | −0.0024 to 0.012 |
| Specific pulmonary conductance (s/cm H2O) | 0.399 (0.293) | 0.351 (0.335) | 0.04 | −0.00415 to 0.086 |
3-150 p 0.01 to 0.05; ** p 0.001 to 0.01; *** p <0.001.