a nonsignificant trendP = 0.60
In group-specific comparisons ( Table 5 ), the High group showed a nonsignificant trend toward reduced risk (HR, 0.81; 95% CI, 0.38-1.75; P = 0.60), and the Low group’s risk was not elevated (HR, 1.04; 95% CI, 0.52-2.12; P = 0.91).