Table 1.
Baseline characteristics of Helicobacter pylori-positive and -negative children as determined by the [13C]urea breath test (Values are means and standard deviations or n (%) unless stated otherwise)
|
H. pylori-positive (n 85) |
H. pylori-negative (n 84) |
|||
|---|---|---|---|---|
| Characteristic | Mean | SD | Mean | SD |
| Age (months)* | 42·0 (29, 60) | 37·5 (25·5, 57·5) | ||
| Age group (years) | ||||
| 1-2 | 13 (15·3) | 19 (22·6) | ||
| >2-3 | 24 (28·2) | 20 (23·8) | ||
| >3-5 | 27 (31·8) | 31 (36·9) | ||
| >5 | 21 (24·7) | 14 (16·7) | ||
| Boys | 43 (50·6) | 42 (50·0) | ||
| Weight-for-age Z score† | -1·82 | 1·00 | -1·93 | 0·92 |
| Weight-for-height Z score† | -1·40 | 0·95 | -1·43 | 0·76 |
| Height-for-age Z score† | -1·20 | 1·21 | -1·38 | 1·30 |
| Mid-arm circumference (cm) | 14·3 | 1·48 | 13·9 | 1·19 |
| Illiterate mother | 35 (41·2) | 23 (27·4) | ||
*
Median (quartiles).
†
Compared with the National Center for Health Statistics reference data.