a nonsignificant trendP < .1
The mean age at genetic testing was younger in females (40.2 [16.3] vs 44.0 [14.3] years, P < .001), and there was a nonsignificant trend of genetic diagnosis of FCS at an earlier age in females (32.2 [17.5] vs 38.1 [19.1] years, P < .1; P = .09).