Skip to main content

Table 5 Sensitivity, specificity and likelihood ratios of single item screening questions for fatigue (FSS ≥ 4)

From: Evaluating fatigue in patients recovering from COVID-19: validation of the fatigue severity scale and single item screening questions

SISQ

Hospitalized

Non-hospitalized

Sensitivity

Specificity

PLR

NLR

Sensitivity

Specificity

PLR

NLR

Fatigue present

70.6%

70.2%

2.4

0.4

83.2%

57.5%

2.0

0.3

Always feeling tired

70.5%

76.4%

3.0

0.4

89.6%

58.7%

2.2

0.2

  1. FSS fatigue severity scale; SISQ single item screening question; PLR positive likelihood ratio; NLR negative likelihood ratio