SPINK1 and Schnyder corneal dystrophy: The results of Logistic regression model suggested that four key genes have predictive efficacy for the occurrence of FGR (SCD, p-value < 0.001; SPINK1, p-value = 0.001; TREM1, p-value = 0.001; HIST1H2BB, p-value = 0.008) (Supplementary Table 5).