In contrast, the PROPKD score is based on (1) sex (0 for females, 1 for males), (2) hypertension (0 for none, 1 for all), (3) urologic events (0 for none, 1 for all), and (4) genetic mutations (PKD2 mutation: 0, PKD1 non-truncated mutation: 2, PKD1 truncated mutation: 4). Here, PKD1 is linked to Hypertension.