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Table 3 Prognostic accuracy of serotonin alone or in combination with TBARS and MDA

From: Circulating serotonin levels in COPD patients: a pilot study

Marker

AUC

95%CI

p value

Cut-off

Sensib

Specif

Serotonin

0.647

0.537–0.747

0.014

> 0.780

53.5%

74.4%

Ser-TBARS

0.741

0.635–0.829

< 0.0001

> 0.543

53.5%

88.4%

Ser-PSH

0.764

0.660–0.849

< 0.0001

> 0.569

60.5%

86.1%

Ser-PSH-TBARS

0.830

0.733–0.902

< 0.0001

> 0.460

76.7%

74.4%

  1. PSH protein sulfhydryl groups, TBARS thiobarbituric acid reactive substances, MDA malondialdehyde, AUC area under the curve, CI confidence interval