Table 3 Mean Distribution of Spirometric measures across different substance abuse groups
From: Comparative study of pulmonary functions test among different substances abusers
Type of substance used | N | FEV1 Mean ± SD | FVC Mean ± SD | PEFR Mean ± SD | FEV1/FVC Mean ± SD |
|---|---|---|---|---|---|
Alcohol | 12/60 | 2.9 ± 0.37 | 3.5 ± 0.18 | 449.7 ± 24.8 | 83.6 ± 7.6 |
Cannabis | 16/60 | 2.6 ± 0.59 | 3.4 ± 0.40 | 451.3 ± 69.8 | 71.03 ± 11.3 |
Heroin | 16/60 | 2.6 ± 0.86 | 3.3 ± 0.64 | 450 ± 100.7 | 77.3 ± 15.8 |
Methamphetamine | 16/60 | 2.7 ± 0.77 | 3.4 ± 0.38 | 448.5 ± 70.9 | 77.7 ± 17.8 |
P value (Kruskal walis test) | 0.221 | 0.932 | 0.974 | 0.001 | |
Route of administration | N | FEV1 Mean ± SD | FVC Mean ± SD | PEFR Mean ± SD | FEV1/FVC Mean ± SD |
Orally | 12/60 | 2.9 ± 0.37 | 3.5 ± 0.18 | 449.7 ± 24.8 | 83.6 ± 7.6 |
Inhaled | 13/60 | 2.4 ± 0.86 | 3.1 ± 0.54 | 447.3 ± 117.8 | 77.1 ± 16.9 |
Intravenous injection | 19/60 | 2.9 ± 0.74 | 3.6 ± 0.39 | 450.9 ± 50.8 | 77.9 ± 16.7 |
Smoked | 16/60 | 2.6 ± 0.59 | 3.4 ± 0.49 | 448.3 ± 69.8 | 71 ± 11.3 |
P value (Kruskal walis test) | 0.068 | 0.107 | 0.932 | 0.001 | |
Age groups | N | FEV1 Mean ± SD | FVC Mean ± SD | PEFR Mean ± SD | FEV1/FVC Mean ± SD |
18–30 years | 29/60 | 2.9 ± 0.23 | 3.3 ± 0.65 | 448 ± 2.3 | 82.8 ± 2.19 |
31–40 years | 23/60 | 2.7 ± 1.46 | 3.6 ± 0.37 | 450 ± 13.6 | 75 ± 1.4 |
41–55 years | 8/60 | 2.5 ± 0.36 | 3.1 ± 0.62 | 447 ± 12 | 80.6 ± 4.5 |
P value (Kruskal walis test) | 0.04 | 0.14 | 0.174 | < 0.001 | |
Chronic diseases | N | FEV1 Mean ± SD | FVC Mean ± SD | PEFR Mean ± SD | FEV1/FVC Mean ± SD |
Heart diseases | 2/60 | 2.05 ± 0.07 | 3.5 ± 0.07 | 448 ± 21.2 | 57.6 ± 0.91 |
HTN | 9/60 | 2.7 ± 0.79 | 3.5 ± 0.63 | 447.7 ± 31.3 | 77.3 ± 13.12 |
DM | 4/60 | 2.5 ± 1.04 | 3.17 ± 0.43 | 449 ± 80.6 | 69.3 ± 14 |
Thyroid diseases | 2/60 | 3.1 ± 0.21 | 3.6 ± 0.14 | 450 ± 14.1 | 86.4 ± 2.19 |
None (Free from medical disorders) | 43/60 | 2.7 ± 0.65 | 3.4 ± 0.4 | 450.1 ± 81.3 | 77.7 ± 14.48 |
P value (Kruskal walis test) | 0.057 | 0.406 | 0.146 | < 0.001 | |
Social habits | N | FEV1 Mean ± SD | FVC Mean ± SD | PEFR Mean ± SD | FEV1/FVC Mean ± SD |
Cigarette | 31/60 | 2.8 ± 0.72 | 3.4 ± 0.55 | 447.03 ± 80.2 | 77.8 ± 13.7 |
Shisha | 10/60 | 2.5 ± 0.78 | 3.4 ± 0.32 | 448.6 ± 78.9 | 72.3 ± 18.9 |
None Smokers | 19/60 | 2.7 ± 0.58 | 3.4 ± 0.34 | 450.5 ± 56.3 | 78.17 ± 12.7 |
P value (Kruskal walis test) | 0.090 | 0.997 | 0.091 | < 0.001 | |