| Cigarette (n = 34) | Hookah (n = 11) | Mixed (n = 4) | Others (n = 2) | p value |
Predicted FEV1 | 3.34 ± 0.06 | 3.40 ± 0.28 | 3.05 ± 0.17 | 3.70 ± 0.00 | 0.925 |
Actual FEV1 | 3.07 ± 0.49 | 3.23 ± 0.87 | 1.64 ± 0.07 | 3.26 ± 0.00 | 0.918 |
Functional defect of FEV1 | 0.91 ± 1.04 | 0.67 ± 0.31 | 1.41 ± 0.10 | 0.44 ± 0.00 | 0.832 |
Predicted FVC | 4.24 ± 0.24 | 4.08 ± 0.22 | 3.66 ± 0.17 | 4.40 ± 0.00 | 0.854 |
Actual FVC | 3.65 ±0.52 | 3.76 ± 0.81 | 2.53 ± 0.13 | 3.84 ± 0.00 | 0.833 |
Functional defect of FVC | 0.70 ± 0.35 | 0.69 ± 0.26 | 1.14 ± 0.30 | 0.56 ± 0.00 | 0.854 |
Predicted FEV1/FVC | 78.65 ± 4.12 | 82.82 ± 2.99 | 82.50 ± 0.58 | 96.00 ± 0.00 | 0.524 |
Actual FEV1/FVC | 84.12 ± 8.70 | 83.45 ± 7.89 | 65.50 ± 6.35 | 74.00 ± 0.00 | 0.422 |
Functional defect of FEV1/FVC | 0.07 ± 0.03 | 0.15 ± 0.00 | 0.17 ± 0.05 | 22 ± 0.00 | 0.325 |
Predicted PEFR | 9.87 ± 0.47 | 9.89 ± 0.47 | 8.58 ± 0.49 | 10.12 ± 0.01 | 0.258 |
Actual PEFR | 7.15 ± 2.38 | 8.65 ± 2.34 | 2.55 ± 0.06 | 8.20 ± 0.01 | 0.125 |
FFD of PEFR | 3.12 ± 1.96 | 1.86 ± 2.38 | 6.02 ± 0.55 | 1.94 ± 0.01 | 0.152 |
Predicted TLC | 5.34 ± 0.28 | 4.91 ± 0.78 | 4.78 ± 0.43 | 5.50 ± 0.00 | 0.825 |
Actual TLC | 4.59 ± 0.62 | 4.83 ± 0.89 | 3.28 ± 0.03 | 4.80 ± 0.00 | 0.833 |
FFD of TLC | 0.94 ± 0.54 | 0.82 ± 0.37 | 1.50 ± 0.46 | 0.70 ± 0.00 | 0.224 |
CO exhaled level | 1.62 ± 0.85 | 1.55 ± 0.93 | 1.25 ± 0.50 | 1.00 ± 0.00 | 0.971 |
SpO2 | 96.76 ± 1.07 | 96.64 ± 0.81 | 95.25 ± 1.50 | 97.00 ± 0.00 | 0.932 |