Table 2

Accuracy of predicting low albumin levels based on pit recovery time of less than 40 s in lower leg oedema.

Serum albumin (mg/dL)Sensitivity (95% CI)Specificity (95% CI)Positive LR (95% CI)Negative LR (95% CI)P value
<2.00.50
(0.01 to 0.99)		0.60
(0.51 to 0.69)		1.26
(0.31 to 5.13)		0.83
(0.21 to 3.34)		1
<2.50.36
(0.13 to 0.65)		0.60
(0.50 to 0.69)		0.89
(0.42 to 1.85)		1.08
(0.71 to 1.64)		1
<3.00.37
(0.20 to 0.56)		0.59
(0.49 to 0.69)		0.90
(0.53 to 1.53)		1.07
(0.78 to 1.48)		0.83
<3.50.42
(0.28 to 0.57)		0.61
(0.49 to 0.72)		1.08
(0.69 to 1.67)		0.95
(0.71 to 1.28)		0.85

  • LR, likelihood ratio.