Research Article
The Influence of Smoking, Gender, and Family History on Colorectal Adenomas
Table 1
Characteristics of the study population undergoing screening colonoscopy in the New Hampshire Colonoscopy Registry from 2004–2006.
| Total | N (%) 5,395 | Smoking | | No pack-years | 2,865 (53) | 15 pack-years or fewer | 1,243 (23) | More than 15 pack-years | 1,287 (24) | Family | | Negative | 4,649 (86) | Positive | 746 (14) | Gender | | Male | 2,284 (42) | Female | 3,111 (58) | Adenoma | | None | 4,689 (87) | One or more | 706 (13) | Adenoma Size | | No Adenoma | 4,672 (87) | 5 mm | 318 (6) | 5–9 mm | 268 (5) | 1 cm | 120 (2) | | Mean (SO) | Mean Age (yrs.) | 56 ( 11) |
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history was defined as a reported diagnosis of colon or rectal cancer in a mother, father, sibling, or child of the patient.
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