Table 3 Egger’s regression-based analysis
From: Epidemiology of gall bladder cancer and its prevalence worldwide: a meta-analysis
Parameter | Coefficient ± Std Error | t stat | P value | 95% confidence interval | |
|---|---|---|---|---|---|
Lower | Upper | ||||
(Intercept) | 2.25 ± 7.08 | 0.318 | 0.804 | − 87.653 | 92.159 |
Publication year | − 0.003 ± 0.004 | − 0.764 | 0.585 | − 0.047 | 0.042 |
geographical region | 0.16 ± 0.04 | 4.365 | 0.143 | − 0.302 | 0.618 |
Study duration | − 0.11 ± 0.06 | − 1.929 | 0.304 | − 0.810 | 0.596 |
Study design | − 0.7 ± 0.08 | − 9.162 | 0.069 | − 1.670 | 0.271 |
Sample size Category | 2.94 ± 0.19 | 15.765 | 0.040 | 0.570 | 5.307 |
Mean age category | − 0.17 ± 0.03 | − 6.360 | 0.099 | − 0.501 | 0.167 |
Tumor stage | 0.35 ± 0.03 | 10.940 | 0.058 | − 0.056 | 0.757 |