Table 4.

Diagnostic performance of dialysis unit BP measurements by method 4

Systolic BP (mmHg)Diastolic BP (mmHg)
Cut-pointSensitivitySpecificityLR+LRCut-pointSensitivitySpecificityLR+LR
≥ 12598.145.81.810.04≥ 7096.443.01.690.08
≥ 13096.263.92.660.06≥ 7592.963.62.550.11
≥ 13590.475.93.750.13≥ 8075.079.43.650.31
≥ 14084.680.74.390.19≥ 8550.088.84.460.56
≥ 14573.186.85.510.31≥ 9032.194.45.730.72
≥ 15055.894.09.260.47≥ 9510.798.15.730.91
AUC (95% CI)0.90 (0.85–0.95)0.84 (0.77–0.92)
  • BP, blood pressure; LR+, likelihood ratio for positive test result; LR, likelihood ratio for negative test result; AUC, area under receiver operating characteristic curve; CI, confidence interval.