Table 4.
Changes in Body Mass Index Among Propensity Score-matched Helicobacter pylori Eradicated and non-Helicobacter pylori Eradicated Patients According to the Baseline Body Mass Index Quartiles
| Groups | HPE (n = 131) | non-HPE (n = 131) |
|---|---|---|
| BMI Q1 (kg/m2) | ||
| Initial | ||
| n | 33 | 39 |
| Range | 17.47-22.51 | 15.61-22.51 |
| Mean (SD) | 21.09 (1.24) | 20.80 (1.40) |
| Between-group P-value | 0.340 (W) | |
| Follow-up | ||
| n | 33 | 39 |
| Range | 18.07-24.24 | 15.01-23.21 |
| Mean (SD) | 21.35 (1.44) | 20.75 (1.73) |
| Between-group P-value | 0.207 (W) | |
| Change | ||
| n | 33 | 39 |
| Mean (SD) | 1.23 (3.72) | –0.24 (5.25) |
| Within-group P-value | 0.066 (P) | 0.937 (S) |
| Between-group P-value | 0.214 (W) | |
| BMI Q2 (kg/m2) | ||
| Initial | ||
| n | 33 | 35 |
| Range | 22.52-24.35 | 22.64-24.35 |
| Mean (SD) | 23.42 (0.58) | 23.57 (0.51) |
| Between-group P-value | 0.244 (W) | |
| Follow-up | ||
| n | 33 | 35 |
| Range | 18.99-24.96 | 19.83-26.79 |
| Mean (SD) | 23.61 (1.12) | 23.71 (1.27) |
| Between-group P-value | 0.980 (W) | |
| Change | ||
| n | 33 | 35 |
| Mean (SD) | 0.83 (4.71) | 0.58 (4.76) |
| Within-group P-value | 0.050 (S) | 0.184 (S) |
| Between-group P-value | 0.956 (W) | |
| BMI Q3 (kg/m2) | ||
| Initial | ||
| n | 34 | 27 |
| Range | 24.46-26.56 | 24.43-26.56 |
| Mean (SD) | 25.41 (0.62) | 25.42 (0.62) |
| Between-group P-value | 0.967 (T) | |
| Follow-up | ||
| n | 34 | 27 |
| Range | 23.12-29.79 | 22.84-29.26 |
| Mean (SD) | 25.55 (1.47) | 25.72 (1.46) |
| Between-group P-value | 0.651 (T) | |
| Change | ||
| n | 34 | 27 |
| Mean (SD) | 0.53 (4.85) | 1.21 (5.44) |
| Within-group P-value | 0.531 (P) | 0.259 (P) |
| Between-group P-value | 0.607 (T) | |
| BMI Q4 (kg/m2) | ||
| Initial | ||
| n | 31 | 30 |
| Range | 26.70-31.25 | 26.64-35.01 |
| Mean (SD) | 28.25 (1.32) | 29.08 (2.06) |
| Between-group P-value | 0.130 (W) | |
| Follow-up | ||
| n | 31 | 30 |
| Range | 25.21-33.68 | 23.05-36.63 |
| Mean (SD) | 28.33 (1.75) | 29.20 (2.73) |
| Between-group P-value | 0.139 (W) | |
| Change | ||
| n | 31 | 30 |
| Mean (SD) | 0.27 (3.75) | 0.37 (5.01) |
| Within-group P-value | 0.691 (P) | 0.228 (S) |
| Between-group P-value | 0.579 (W) |
HPE, Helicobacter pylori eradication; BMI, body mass index; Q1-4, quartile 1-4; SD, standard deviation.
Between-group P-value: categorical data, chi-square test (C) or Fisher exact test (F); continuous data, independent t test (T) or Wilcoxon rank-sum test (W); within-group P-value: paired t test (P) or Wilcoxon signed-rank test (S).