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Proportion of worse post-operative endoscopy scores by smoking volume
| Heavy smokers (≥ 1.0 ppd) |
Lighter smokers (0.1 - 0.9 ppd) |
Non-smokers | p-value | |
|---|---|---|---|---|
| Improved / No score change | 0.00% | 66.70% | 79.80% | |
| Worse (≥1 unit) score | 100.00% | 33.30% | 20.20% | 0.002 |
ppd = cigarette packs/day
