Table 1.
Summary of Patient Characteristics
| Variables | Selection sample set A |
Selection sample set B |
Application sample set |
||||
|---|---|---|---|---|---|---|---|
| NE | (B)NE | BE | NE | BE | Controls | BE cases | |
| Numbers | 26 | 23 | 17 | 20 | 21 | 95 | 87 |
| Age, y, median (IQR) | 56 (44–72) | 66 (62–73) | 63 (57–72) | 60.5 (55–64) | 63 (54–70) | 55 (43–68) | 66 (54–72) |
| Male: female ratio | 0.73 | 3.6 | 4.67 | 1.86 | 9.5 | 0.98 | 4.8 |
| Ethnicity: white | NA | NA | NA | 20 | 19 | 89 | 84 |
| Ethnicity: other | NA | NA | NA | 0 | 2 | 6 | 3 |
| BMI, median (IQR) | NA | 26.8 (25.0–28.7) | 25.6 (22.9–27.5) | 28.2 (25.0–33.2) | 28.0 (26.2–30.4) | 27.3 (24.1–31.6) | 28.4 (26.2–31.3) |
| Waist-to-hip ratio, median (IQR) | NA | NA | NA | 0.89 (0.82–0.93) | 0.95 (0.88–0.99) | 0.88 (0.83–0.95) | 0.95 (0.91–0.99) |
| Maximum M length of BE (cm), median (IQR) | NA | 2 (1–2) | 4 (4–6) | NA | 6 (4–9) | NA | 4 (3–7.5) |
| Smoking (no) | 17 | 10 | 9 | 8 | 6 | 54 | 46 |
| Smoking (ex) | 1 | 4 | 1 | 7 | 13 | 25 | 28 |
| Smoking (active) | 0 | 2 | 0 | 5 | 2 | 14 | 13 |
| Smoking (NA) | 8 | 7 | 7 | 0 | 0 | 2 | 0 |
BMI, body mass index; IQR, interquartile range; NA, not available.