Clinical features and long-term outcomes of patients with colonic oligopolyposis of unknown etiology

Table 1 Colonic adenomatous polyposis of unknown etiology cohort characteristics, n (%)

Cohort characteristics	Number (% of cohort)
Male	48 (69%)
Ethnicity
White non-Hispanic	62 (88.5%)
Hispanic or Latino	5 (7.1%)
Black or African American	2 (2.9%)
Asian	1 (1.4%)
Paternal lineage
Irish	25 (24%)
English	14 (13%)
French	12 (11%)
Scottish	11 (10%)
Italian	9 (9%)
Maternal lineage
Irish	20 (23%)
English	14 (16%)
Italian	14 (16%)
Canadian	6 (7%)
Scottish	6 (7%)
German	5 (6%)
Any metabolic comorbidity reported (Obesity/diabetes mellitus)	29 (41.4%)
Any alcohol usage	34 (49%)
1-7 drinks/week	14 (20%)
More than 1 drink/day	7 (10%).
Any smoking history	41 (58.5%)
Active smokers	15 (21.4)
Mean pack years	17 (30.1)

Data include demographic and clinical features for all 70 patients in the cohort. Leading five paternal and maternal lineages are presented (Full data in supplementary table). Presence of metabolic comorbidities were combined. Data concerning alcohol consumption and smoking were available for 69 patients. Detailed data concerning smoking burden (Pack/years) were available for 17 patients.