Table 1 Patient cohort characteristics
From: Influence of cigarette smoking on the human duodenal mucosa-associated microbiota
| Â | Current | Previous | Never | p valuea | Overall cohort |
|---|---|---|---|---|---|
Functional dyspepsia/iron deficiency | |||||
 Female, n (%) | 7 (50) | 20 (60.6) | 15 (42.9) | 0.34b | 42 (51.2) |
 Age, median (range) | 49.1 (28.3–65.5) | 62 (20.1–78.6) | 45.8 (17.2–77.5) | 0.02c,d | 54.7 (17.2–78.6) |
 BMI, mean (SD) | 28.6 (7.6) | 27.1 (5.5) | 27.1 (6.2) | 0.8e | 27.3 (6.2) |
 Patient—Functional/iron deficiency, n (%) | 14 (100)/0 (0) | 27 (81.8)/6 (18.2) | 26 (74.3)/9 (25.7) | 0.11b | 67 (81.7)/15 (18.3) |
 Current PPI use, n (%) | 8 (57.1) | 19 (57.6) | 19 (54.3) | 0.84b | 46 (56.1) |
 Country of birth—Australia/others, n (%) | 9 (64.3)/5 (35.7) | 19 (57.6)/14 (42.4) | 20 (57.1)/15 (42.9) | 0.89b | 48 (58.5)/34 (41.5) |
Crohn’s disease | |||||
 Female, n (%) | 5 (71.4) | 4 (57.1) | 5 (83) | 0.59b | 14 (70) |
 Age, median (range) | 36.4 (22.2–57.9) | 50.2 (37.5–59.0) | 47.5 (22.2–61.9) | 0.34c | 45.6 (22.2–61.9) |
 BMI, mean (SD) | 30.2 (7.3) | 32.2 (6.9) | 26.7 (5.4) | 0.46e | 30.0 (7.0) |
 Current PPI use, n (%) | 0 (0) | 0 (0) | 3 (50) | 0.07f | 3 (15) |
 Country of birth—Australia/others, n (%) | 7 (100)/0 (0) | 6 (85.7)/1 (14.3) | 3 (50)/3 (50) | 0.07b | 16 (80)/4 (20) |