| Population characteristics . | No of studies . | OR (95% Confidence interval) . | P-value . | R2, % . |
|---|---|---|---|---|
| Mean age (per 1-y increase from mean of 34 y) | 17 | 1.06 (0.99– 1.13) | .09 | 1.2 |
| Proportion exposed to antibiotics (per 5-percentage point increase) | 20 | 1.01 (0.92–1.11) | .79 | 0.0 |
| Proportion PPI use (per 5-percentage point increase) | 8 | 0.83 (0.68–1.01) | .06 | 26.3 |
| Proportion male (per 5-percentage point increase) | 25 | 1.18 (1.00 –1.40) | .056 | 49 |
| White (per 5- percentage point increase) US and Canada studies) | 5 | 0.87 (0.60–1.27) | .36 | 0.0 |
| Year of study (per 5- y increase) | 28 | 1.19 (0.78–1.81) | .45 | 0.0 |
| Proportion ulcerative colitis (per 5-percentage point increase) | 28 | 1.02 (0.95–1.10) | .61 | 0.0 |
| Method of test used | .04 | 17 | ||
| PCR | 4 | 4.70 (01.39–15.90) | ||
| Multiple methods | 3 | 0.89 (0.36 –2.19) | ||
| EIA | 16 | Reference (EIA) |
| Population characteristics . | No of studies . | OR (95% Confidence interval) . | P-value . | R2, % . |
|---|---|---|---|---|
| Mean age (per 1-y increase from mean of 34 y) | 17 | 1.06 (0.99– 1.13) | .09 | 1.2 |
| Proportion exposed to antibiotics (per 5-percentage point increase) | 20 | 1.01 (0.92–1.11) | .79 | 0.0 |
| Proportion PPI use (per 5-percentage point increase) | 8 | 0.83 (0.68–1.01) | .06 | 26.3 |
| Proportion male (per 5-percentage point increase) | 25 | 1.18 (1.00 –1.40) | .056 | 49 |
| White (per 5- percentage point increase) US and Canada studies) | 5 | 0.87 (0.60–1.27) | .36 | 0.0 |
| Year of study (per 5- y increase) | 28 | 1.19 (0.78–1.81) | .45 | 0.0 |
| Proportion ulcerative colitis (per 5-percentage point increase) | 28 | 1.02 (0.95–1.10) | .61 | 0.0 |
| Method of test used | .04 | 17 | ||
| PCR | 4 | 4.70 (01.39–15.90) | ||
| Multiple methods | 3 | 0.89 (0.36 –2.19) | ||
| EIA | 16 | Reference (EIA) |
| Population characteristics . | No of studies . | OR (95% Confidence interval) . | P-value . | R2, % . |
|---|---|---|---|---|
| Mean age (per 1-y increase from mean of 34 y) | 17 | 1.06 (0.99– 1.13) | .09 | 1.2 |
| Proportion exposed to antibiotics (per 5-percentage point increase) | 20 | 1.01 (0.92–1.11) | .79 | 0.0 |
| Proportion PPI use (per 5-percentage point increase) | 8 | 0.83 (0.68–1.01) | .06 | 26.3 |
| Proportion male (per 5-percentage point increase) | 25 | 1.18 (1.00 –1.40) | .056 | 49 |
| White (per 5- percentage point increase) US and Canada studies) | 5 | 0.87 (0.60–1.27) | .36 | 0.0 |
| Year of study (per 5- y increase) | 28 | 1.19 (0.78–1.81) | .45 | 0.0 |
| Proportion ulcerative colitis (per 5-percentage point increase) | 28 | 1.02 (0.95–1.10) | .61 | 0.0 |
| Method of test used | .04 | 17 | ||
| PCR | 4 | 4.70 (01.39–15.90) | ||
| Multiple methods | 3 | 0.89 (0.36 –2.19) | ||
| EIA | 16 | Reference (EIA) |
| Population characteristics . | No of studies . | OR (95% Confidence interval) . | P-value . | R2, % . |
|---|---|---|---|---|
| Mean age (per 1-y increase from mean of 34 y) | 17 | 1.06 (0.99– 1.13) | .09 | 1.2 |
| Proportion exposed to antibiotics (per 5-percentage point increase) | 20 | 1.01 (0.92–1.11) | .79 | 0.0 |
| Proportion PPI use (per 5-percentage point increase) | 8 | 0.83 (0.68–1.01) | .06 | 26.3 |
| Proportion male (per 5-percentage point increase) | 25 | 1.18 (1.00 –1.40) | .056 | 49 |
| White (per 5- percentage point increase) US and Canada studies) | 5 | 0.87 (0.60–1.27) | .36 | 0.0 |
| Year of study (per 5- y increase) | 28 | 1.19 (0.78–1.81) | .45 | 0.0 |
| Proportion ulcerative colitis (per 5-percentage point increase) | 28 | 1.02 (0.95–1.10) | .61 | 0.0 |
| Method of test used | .04 | 17 | ||
| PCR | 4 | 4.70 (01.39–15.90) | ||
| Multiple methods | 3 | 0.89 (0.36 –2.19) | ||
| EIA | 16 | Reference (EIA) |
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