Effect | Subgroup | No. of studies | Summary odds ratio (95% CI) | Between studies | Between subgroups | |||
---|---|---|---|---|---|---|---|---|
I2 | P heterogeneity | Q | Q | P heterogeneity | ||||
H. pylori on obesity | Variables adjusted | |||||||
Yes | 5 | 1.01 (1.01 – 1.03) | 6.6% | 0.372 | 4.03 | 4.03 | 0.0001 | |
No | 1 | 0.88 (0.45 – 1.72) | - | - | - | |||
Method of diagnosis | ||||||||
ELIZA | 4 | 1.11 (0.99 – 1.25) | 0.0% | 0.627 | 1.76 | 4.03 | 0.006 | |
Histology and biopsy | 1 | 0.88 (0.45 – 1.72) | - | - | - | |||
13C-urea breath test | 1 | 1.01 (1.00 – 1.02) | 0.0% | 0.515 | 1.43 | |||
Obesity on H. pylori | Method of diagnosis | |||||||
Histology and biopsy | 3 | 1.14 (0.96 – 1.36) | 40.0% | 0.180 | 1.55 | 5.14 | 0.001 | |
13C-urea breath test | 1 | 2.11 (1.48 – 2.99) | - | - | - | |||
One step H. pylori test device | 1 | 2.91 (2.01 – 4.20) | - | - | - |