Table 24.
Current cigar smoking and aortic aneurysm by inhalation level and cigars per day
| Study | Cohort name | Inhalation level | Cigars per day | Effect estimate | 95% CI | Measure | Primary/secondary* |
|---|---|---|---|---|---|---|---|
| Shanks1998 | CPS-I | 1 to 2 | 1.82 | (1.11, 2.81) | IRR | Primary | |
| Shanks1998 | CPS-I | 3 to 4 | 0.88 | (0.35, 1.82) | IRR | Primary | |
| Shanks1998 | CPS-I | 5+ | 2.62 | (1.58, 4.09) | IRR | Primary | |
| Shanks1998 | CPS-I | 1 to 2 | 3.03 | (1.51, 5.43) | IRR | Secondary | |
| Shanks1998 | CPS-I | 3 to 4 | 2.8 | (1.34, 5.16) | IRR | Secondary | |
| Shanks1998 | CPS-I | 5+ | 2.64 | (1.26, 4.85) | IRR | Secondary | |
| Shanks1998 | CPS-I | None | 1.73 | (1.22, 2.39) | IRR | Primary | |
| Shanks1998 | CPS-I | Slight | 1 | (0.20, 2.92) | IRR | Primary | |
| Shanks1998 | CPS-I | Moderate-deep | 4.94 | (1.59, 11.52) | IRR | Primary | |
| Shanks1998 | CPS-I | None | 2.18 | (1.22, 3.59) | IRR | Secondary | |
| Shanks1998 | CPS-I | Slight | 3.52 | (1.69, 6.47) | IRR | Secondary | |
| Shanks1998 | CPS-I | Moderate-deep | 2.94 | (0.95, 6.87) | IRR | Secondary | |
*Primary cigar smoking: current, exclusive cigar smoking with no previous history of cigarette or pipe smoking; secondary cigar smoking: current, exclusive cigar smoking with previous history of cigarette or pipe smoking.