2017 Guidelines
Age (years) JNC 7 JNC 8 Stage 1 Stage 2
Overall population (%) 453 (43.6) 440 (42.3) 231 (22.2) 452 (43.5)
<30 77 (22.4) 77 (22.4) 81 (23.6) 77 (22.4)
30-39 77 (34.7) 77 (34.5) 61 (27.4) 77 (34.5)
40-49 76 (46.6)* 75 (46.0) 48 (29.4)* 75 (46.0)
50-59 84 (66.1) 84 (66.1) 20 (15.7) 84 (66.1)
60-69 74 (73.3) 67 (66.3) 16 (15.8) 74 (73.3)
70-79 35 (81.4) 32 (74.4) 1 (2.3) 35 (81.4)
≥80 30 (75.0) 28 (70.0) 4 (10.0) 30 (75.0)