Table 2.
Prehypertensiona | Upper Range of Prehypertensionb | Elevated Clinic BP Diagnostic Index Using Different Derived Cut Pointsc | ||||||
---|---|---|---|---|---|---|---|---|
≥190 mm Hg | ≥201 mm Hg | ≥207 mm Hg | ≥212 mm Hg | ≥214 mm Hg | ≥217 mm Hg | |||
n=320 | n=130 | n=572 | n=472 | n=415 | n=351 | n=330 | n=291 | |
Masked daytime hypertension | ||||||||
Sensitivity, % (No.) | 82.5 (113/137) | 42.3 (58/137) | 98.5 (135/137) | 93.4 (128/137) | 89.8 (123/137) | 81.0 (111/137) | 78.8 (108/137) | 71.5 (98/137) |
Specificity, % (No.) | 61.5 (331/538) | 86.6 (466/538) | 18.8 (101/538) | 36.1 (194/538) | 45.7 (246/538) | 55.4 (298/538) | 58.7 (316/538) | 64.1 (345/538) |
PPV, % (No.) | 35.3 (113/320) | 44.6 (58/130) | 23.6 (135/572) | 27.1 (128/472) | 29.6 (123/415) | 31.6 (111/351) | 32.7 (108/330) | 33.7 (98/291) |
NPV, % (No.) | 93.2 (331/355) | 85.5 (466/545) | 98.1 (101/103) | 95.6 (194/203) | 94.6 (246/260) | 92.0 (298/324) | 91.6 (316/345) | 89.8 (345/384) |
Masked daytime and/or nocturnal hypertensiond | ||||||||
Sensitivity, % (No.) | 71.3 (181/254) | 34.3 (87/254) | 97.2 (247/254) | 90.6 (230/254) | 83.9 (213/254) | 73.2 (186/254) | 71.3 (181/254) | 64.6 (164/254) |
Specificity, % (No.) | 67.0 (282/421) | 89.8 (378/421) | 22.8 (96/421) | 42.5 (179/421) | 52.0 (219/421) | 60.8 (256/421) | 64.6 (272/421) | 69.8 (294/421) |
PPV, % (No.) | 56.6 (181/320) | 66.9 (87/130) | 43.2 (247/572) | 48.7 (230/472) | 51.3 (213/415) | 53.0 (186/351) | 54.8 (181/330) | 56.4 (164/291) |
NPV, % (No.) | 79.4 (282/355) | 69.4 (378/545) | 93.2 (96/103) | 88.2 (179/203) | 84.2 (219/260) | 79.0 (256/324) | 78.8 (272/345) | 76.6 (294/384) |
Abbreviations: BP, blood pressure; NPV: negative predictive value; PPV, positive predictive value.
aPrehypertension: among adults with nonelevated clinic blood pressure (BP) (ie, systolic BP <140 mm Hg and diastolic BP <90 mm Hg), clinic systolic BP ≥120 mm Hg and <140 mm Hg, or clinic diastolic BP ≥80 mm Hg and <90 mm Hg. bUpper range of prehypertension: among adults with nonelevated clinic BP (ie, systolic BP <140 mm Hg and diastolic BP <90 mm Hg), clinic systolic BP ≥130 mm Hg and <140 mm Hg, or clinic diastolic BP ≥85 mm Hg and <90 mm Hg. cClinic BP diagnostic index cut points associated with 99% (190 mm Hg), 95% (201 mm Hg), 90% (207 mm Hg), 85% (212 mm Hg), 80% (214 mm Hg), and 75% (217 mm Hg) sensitivity. dMasked daytime and/or nocturnal hypertension: clinic systolic/diastolic BP <140/90 mm Hg and daytime hypertension (ie, mean daytime systolic BP ≥135 mm Hg or mean diastolic BP ≥85 mm Hg) and/or nocturnal hypertension (ie, mean nighttime systolic BP ≥120 mm Hg or mean diastolic BP ≥70 mm Hg).