Table 1.
Demographic, behavior, and EUS data
| Variable | All Patients, n (%) |
Peak Bicarbonate < 75, n (%) |
Peak Bicarbonate ≥ 75, n (%) |
p-value | |
|---|---|---|---|---|---|
| Total | 176 | 69 (39.2) | 107 (60.8) | ||
| Demographics | |||||
| Age, median (Interquartile range) | 48 (38, 57) | 47 (39, 55) | 49 (37, 57) | 0.90 | |
| Male | 69 (39.2) | 27 (39.1) | 42 (60.9) | 0.99 | |
| Female | 107 (60.8) | 42 (39.3) | 65 (60.7) | ||
| White | 147 (83.5) | 62 (42.2) | 85 (57.8) | 0.07 | |
| Non-White | 29 (16.5) | 7 (24.1) | 22 (75.9) | ||
| Behavior | |||||
| Non-smoker | 88 (50.0) | 21 (23.9) | 67 (76.1) | <.0001 | |
| Current or previous smoker | 88 (50.0) | 48 (54.6) | 40 (45.5) | ||
| Alcohol use ≤20 grams/ day | 129 (73.3) | 44 (34.1) | 85 (65.9) | 0.02 | |
| Alcohol use >20 grams/ day | 47 (26.7) | 25 (53.2) | 22 (46.8) | ||
| EUS parenchymal findings | |||||
| Cysts - not present | 161 (91.5) | 61 (37.9) | 100 (62.1) | 0.24 | |
| present | 15 (8.5) | 8 (53.3) | 7 (46.7) | ||
| Hyperechoic strands - not present | 51 (29.0) | 15 (29.4) | 36 (70.6) | 0.09 | |
| present | 125 (71.0) | 54 (43.2) | 71 (56.8) | ||
| Hyperechoic foci - not present | 89 (50.6) | 28 (31.5) | 61 (68.5) | 0.03 | |
| present | 87 (49.4) | 41 (47.1) | 46 (52.9) | ||
| Lobularity - not present | 125 (71.0) | 39 (31.2) | 86 (68.8) | 0.0007 | |
| present | 51 (29.0) | 30 (58.8) | 21 (41.2) | ||
| EUS ductal findings | |||||
| Hyperechoic duct wall- not present | 74 (42.1) | 30 (40.5) | 44 (59.5) | 0.76 | |
| present | 102 (58.0) | 39 (38.2) | 63 (61.8) | ||
| Irregular MPD - not present | 143 (81.3) | 42 (29.4) | 101 (70.6) | <.0001 | |
| present | 33 (18.8) | 27 (81.8) | 6 (18.2) | ||
| Dilated MPD - not present | 140 (79.6) | 42 (30.0) | 98 (70.0) | <.0001 | |
| present | 36 (20.5) | 27 (75.0) | 9 (25.0) | ||
| Dilated side branches - not present | 153 (86.9) | 52 (34.0) | 101 (66.0) | 0.0003 | |
| present | 23 (13.1) | 17 (73.9) | 6 (26.1) | ||
| Calcifications - not present | 154 (87.5) | 49 (31.8) | 105 (68.2) | <.0001 | |
| present | 22 (12.5) | 20 (90.9) | 2 (9.1) | ||