Table 3 Cut-off points, AUC, sensitivity, specificity, NPV and PPV of muscle strength tests to screening sarcopenia.

From: Accuracy of handgrip and respiratory muscle strength in identifying sarcopenia in older, community-dwelling, Brazilian women

 

AUC (95% CI)

Cut-off point

Sensitivity (95% CI)

Specificity (95% CI)

NPV (95% CI)

PPV (95% CI)

MIP

0.65 (0.56–0.73)

67.5

62.5% (51.5–72.6%)

63.6% (50.9–75.1%)

63.6% (54.2–72.0%)

62.5% (55.4–69.1%)

MEP

0.72 (0.64–0.80)

77.0

77.3% (67.1–85.5%)

62.1% (49.3–73.8%)

62.1% (52.9–70.9%)

77.2% (69.9–83.2%)

HGS

0.80 (0.72–0.87)

20.0

70.5% (59.8–79.7%)

77.3% (65.3–86.7%)

77.2% (67.7–84.6%)

70.4% (63.1–76.8%)

  1. MIP maximal inspiratory pressure, MEP maximal expiratory pressure, HGS hand grip strength, AUC area under the ROC curve, NPV negative predictive value, PPV positive predictive value.
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