Comparison 9. Bias analyses.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 White population, normotensive, SBP blinding‐high	66	7100	Mean Difference (Fixed, 95% CI)	‐0.91 [‐1.19, ‐0.63]
2 White population, normotensive, SBP blinding‐low	24	1193	Mean Difference (Fixed, 95% CI)	‐1.05 [‐1.61, ‐0.50]
3 White population, normotensive, SBP outcome‐assesed‐high	36	2771	Mean Difference (Fixed, 95% CI)	‐1.12 [‐1.60, ‐0.65]
4 White population, normotensive, SBP outcome‐assesed‐low	56	5768	Mean Difference (Fixed, 95% CI)	‐0.89 [‐1.18, ‐0.60]
5 White population, hypertensive, SBP blinding‐high	45	3814	Mean Difference (Fixed, 95% CI)	‐6.03 [‐6.64, ‐5.41]
6 White population, hypertensive, SBP blinding‐low	36	1911	Mean Difference (Fixed, 95% CI)	‐5.78 [‐6.39, ‐5.17]
7 White population, hypertensive, SBP outcome‐assesed‐high	27	2470	Mean Difference (Fixed, 95% CI)	‐6.07 [‐6.95, ‐5.19]
8 White population, hypertensive, SBP outcome‐assesed‐low	55	3433	Mean Difference (Fixed, 95% CI)	‐5.71 [‐6.23, ‐5.19]