Table 4 Agreement between the AHA threshold and the 24-h mean ABP threshold versus day-night ABP thresholds for diagnosing ambulatory normotension/hypertension
Variable | AHA and 24-h mean ABP threshold | AHA and Day-night ABP thresholds | ||
|---|---|---|---|---|
Accuracy (%)a) (95th CI) | Kappa (95% CI) | Accuracy (%)a) (95th CI) | Kappa (95% CI) | |
Entire group (n = 450) | 98 (0.89–1.07) | 0.94 (0.91–0.98) | 80 (0.72–0.89) | 0.59 (0.52–0.66) |
Age ≥ 13 yr (n = 267) | 98 (0.86–1.10) | 0.94(0.89–0.99) | 76 (0.65–0.87) | 0.49(0.39–0.58) |
Male sex (n = 267) | 97 (0.85–1.09) | 0.93(0.88–0.98) | 83 (0.72–0.95) | 0.64(0.55–0.73) |
Overweight/obese (n = 248) | 97 (0.85–1.10) | 0.93 (0.89–0.98) | 79 (0.69–0.91) | 0.58(0.49–0.67) |
Primary hypertension (n = 352) | 97 (0.87–1.08) | 0.93 (0.90–0.97) | 78 (0.69–0.88) | 0.56 (0.48–0.64) |
Secondary hypertension (n = 98) | 98 (0.81–1.21) | 1.00 (1.00–1.00) | 89 (0.72–1.10) | 0.66 (0.48–0.85) |
No BP medication (n = 322) | 97 (0.86–1.08) | 0.93 (0.89–0.97) | 77 (0.69–0.87) | 0.54 (0.46–0.63) |
On BP medication (n = 128) | 100 (0.83–1.18) | 1.00 (1.00–1.00) | 89 (0.74–1.07) | 0.69 (0.54–0.84) |