Research Article
Lactulose Hydrogen Breath Test Result Is Associated with Age and Gender
Table 1
Demographic and clinical characteristics of study population.
| | Characteristics | Positive HBT () | Negative HBT () | Overall () | value |
| | Sex | | | | 0.28 | | Male (%) | 123 (28.6) | 116 (32.1) | 239 (30.2) | | | Female (%) | 307 (71.4) | 245 (67.9) | 552 (69.8) | | | Age (years, mean ± SD) | 49.7 ± 17.3 | 48.2 ± 16.8 | 49.0 ± 17.1 | 0.07 | | <65 years (%) | 333 (77.4) | 298 (82.5) | 631 (79.8) | | | 65 years (%) | 97 (22.6) | 63 (17.5) | 160 (20.2) | | | BMI (kg/m2, mean ± SD) | 26.4 ± 5.7 | 27.4 ± 6.48 | 26.9 ± 6.1 | 0.30 | | <30 (%) | 318 (74.0) | 255 (70.6) | 573 (72.4) | | | 30 (%) | 112 (26.0) | 106 (29.4) | 218 (27.6) | | | Disease presence | | | | | | Gastroparesis | 15 (3.5) | 22 (6.1) | 37 (4.7) | 0.08 | | IBD | 30 (7.0) | 36 (10.0) | 66 (8.3) | 0.13 | | Celiac disease | 6 (1.4) | 6 (1.7) | 12 (1.5) | 0.76 | | Other factors | | | | | | GI surgery history | 59 (13.8) | 69 (19.1) | 128 (16.2) | 0.04 | | Recent PPI use | 213 (49.5) | 208 (57.6) | 421 (53.2) | 0.02 |
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