showed a trendp = 0.076
In the binary logistic regression model predicting the presence of current SP (USP-SPS > 0 vs USP-SPS = 0), AQ was significantly associated with current SP (OR = 1.24 per 1-point increase; 95% CI 1.04–1.57; p = 0.012), whereas age at onset showed a trend-level association (OR = 0.93 per 1-year increase; 95% CI 0.84–1.01; p = 0.076).