Table 2. Smoking status in group II; Values are presented as mean ± SD.
| Parameter | Mean ± SD | Range |
|---|---|---|
| Number of cigarette/day | 26.75 ± 16.41 | 5 - 80 |
| Duration of smoking (Years) | 12.75 ± 8.86 | 1.5 -35 |
| Cumulative amount of smoking | 432.63 ± 499.58 | 7.5 - 2100 |
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