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. 2020 Mar 9;10:4309. doi: 10.1038/s41598-020-61199-5

Table 3.

Cut-off values, sensitivity and specificity of hemodynamic response in CPET in HF-COPD with FEV1 < 1.6 L.

HF-COPD (N = 21)
Variables Cut-off Sensitivity Specificity AUC [CI 95%] Positive likelihood Negative likelihood
CP (mmHg.mlO2.kg−1.min−1) 2383 70 53 0.700 [0.501–0.810] 1.39 0.60
OUES 1.3 66 61 0.682 [0.487–0.823] 1.74 0.53

HF: heart failure; COPD: chronic obstructive pulmonary disease; FEV1: forced expiratory volume in the 1 second; CP: Circulatory power and OUES: Oxygen uptake efficiency slope.