Table 2.
Anthropometric and spirometric parameters in male and female participants
| Parameters | Range | Mean | SD | Median | Skewness | Kurtosis |
|---|---|---|---|---|---|---|
| Males(N = 358) | ||||||
| Age (years) | 18–65 | 38.3 | 14.9 | 37.0 | 0.529 | −1.038 |
| Height (cm) | 155.0–185.0 | 170.7 | 8.0 | 170.0 | −0.140 | −1.120 |
| VC (Liters) | 2.71–5.80 | 4.10 | 0.81 | 4.00 | 0.162 | −0.733 |
| FVC (Liters) | 2.42–4.99 | 3.81 | 0.73 | 3.98 | −0.297 | −1.091 |
| FEV1 (Liters) | 2.10–4.39 | 3.37 | 0.67 | 3.46 | −0.213 | −1.092 |
| FEV1/FVC (%) | 77.6–95.2 | 88.4 | 4.7 | 89.4 | −0.526 | −0.621 |
| FEV3 (Liters) | 2.41–4.59 | 3.69 | 0.70 | 3.78 | −0.296 | −1.273 |
| FEV6 (Liters) | 2.42–4.98 | 3.81 | 0.73 | 3.98 | −0.297 | −1.091 |
| MMEF (Liters/sec) | 2.65–7.25 | 4.70 | 1.23 | 4.42 | 0.423 | −0.676 |
| PEFR (Liters/sec) | 5.62–12.50 | 9.29 | 1.71 | 9.16 | −0.191 | −0.575 |
| MVV (Liters/min) | 73.5–212.4 | 137.7 | 31.9 | 139.9 | −0.750 | −0.281 |
| FIVC (Liters) | 2.11–4.86 | 3.56 | 0.68 | 3.48 | −0.161 | −0.645 |
| FIV1 (Liters) | 1.92–4.31 | 3.29 | 0.63 | 3.28 | −0.206 | −0.625 |
| PIF (Liters/sec) | 5.59–10.72 | 7.86 | 1.20 | 7.99 | −0.492 | −0.322 |
| Females (N = 362) | ||||||
| Age (years) | 18–63 | 42.5 | 15.4 | 42.0 | - 0.148 | −1.496 |
| Height (cm) | 143.0–172.0 | 156.8 | 6.1 | 158.0 | −0.023 | 0.069 |
| VC (Liters) | 1.64–5.08 | 2.65 | 0.72 | 2.64 | 1.362 | 3.218 |
| FVC (Liters) | 1.73–3.25 | 2.52 | 0.47 | 2.67 | −0.327 | −1.275 |
| FEV1 (Liters) | 1.46–3.00 | 2.24 | 0.44 | 2.25 | −0.179 | −1.044 |
| FEV ratio (%) | 77.6–98.9 | 89.5 | 5.74 | 89.3 | −0.152 | −0.410 |
| FEV3 (Liters) | 1.64–3.25 | 2.45 | 0.46 | 2.56 | −0.295 | −1.171 |
| FEV6 (Liters) | 1.73–3.25 | 2.52 | 0.47 | 2.66 | −0.328 | −1.278 |
| MMEF (Liters/sec) | 1.96–6.30 | 3.66 | 1.10 | 3.56 | 0.579 | −0.278 |
| PEFR (Liters/sec) | 3.56–8.33 | 5.91 | 1.24 | 5.90 | 0.183 | −0.543 |
| MVV (Liters/min) | 57.6–120.0 | 89.6 | 15.2 | 93.1 | −0.126 | −0.878 |
| FIVC (Liters) | 1.55–3.01 | 2.39 | 0.49 | 2.62 | −0.462 | −1.303 |
| FIV1 (Liters) | 1.32–2.68 | 2.12 | 0.46 | 2.38 | −0.454 | −1.368 |
| PIF (Liters/sec) | 3.05–7.15 | 5.19 | 0.94 | 5.30 | −0.315 | −0.124 |
SD standard deviation, VC vital capacity, FVC forced vital capacity, FEV 1 forced expiratory volume in one second, FEV ratio FEV1/FVC%, FEV 3 forced expiratory volume in three seconds, FEV 6 forced expiratory volume in six seconds, PEFR peak expiratory flow rate, MMEF maximal mid expiratory flow, MVV maximal voluntary ventilation, FIVC forced inspiratory vital capacity, FIV 1 forced inspiratory volume in one second, PIF peak inspiratory flow