approached significantP = 0.086
This difference reached statistical significance in Africa ( P < 0.001) and South America ( P < 0.001), and approached significant in Asia ( P = 0.086).
This difference reached statistical significance in Africa ( P < 0.001) and South America ( P < 0.001), and approached significant in Asia ( P = 0.086).
However, for group adherence, subgroup analyses revealed statistically significant differences or ones close to significance between SR and indirect measurement results in South America, Africa, and Asia.