Table 14 Current cigar smoking and laryngeal cancer by inhalation level, cigars per day, and duration
From: Systematic review of cigar smoking and all cause and smoking related mortality
| Study | Cohort name | Inhalation level | Cigars per day | Duration (years) | Effect estimate | 95% CI | Measure | Primary/secondary* |
|---|---|---|---|---|---|---|---|---|
| Shanks1998 | CPS-I | 1 to 2 | 6.45 | (0.72, 23.27) | IRR | Primary | ||
| Shanks1998 | CPS-I | 5+ | 26.03 | (8.39, 60.74) | IRR | Primary | ||
| Shapiro2000 | CPS-II | 1 to 2 | 6 | (0.70, 53.50) | HR | Primary | ||
| Shapiro2000 | CPS-II | 3+ | 15 | (3.40, 65.90) | HR | Primary | ||
| Shanks1998 | CPS-I | None | 10.6 | (3.87, 23.07) | IRR | Primary | ||
| Shanks1998 | CPS-I | Moderate-deep | 53.26 | (0.70, 296.32) | IRR | Primary | ||
| Shapiro2000 | CPS-II | No inhalation | 4.2 | (0.50, 37.10) | HR | Primary | ||
| Shapiro2000 | CPS-II | Inhalation | 39 | (8.40, 180.10) | HR | Primary | ||
| Shapiro2000 | CPS-II | <25 | 0 | (0.00, 0.00) | HR | Primary | ||
| Shapiro2000 | CPS-II | 25+ | 13.7 | (3.40, 54.50) | HR | Primary | ||