showed a trendP = 0.1691
The difference between two models was 0.007 (95% CI, −0.003-0.016) and showed a trend to significance (P = 0.1691, Fig. 2 ).
The difference between two models was 0.007 (95% CI, −0.003-0.016) and showed a trend to significance (P = 0.1691, Fig. 2 ).
All statistical tests were two-tailed, and p < 0.05 was considered statistically significant and 0.05 ≤ p < 0.2 was considered a trend toward significance to increase the sensitivity to detect potential selection bias.