Clinical Study

Conjunctivitis and Total IgE in Lacrimal Fluid: Lacrytest Screening

Table 3

Sensitivity and specificity of Lacrytest (VKC versus control group).

VKC Control Total

TEST + 8 0 8
TEST− 1 15 16
Total 9 15 24

Sensitivity: 88.88%
Specificity: 100%
Positive predictive value: 100%
Negative predictive value: 93.75%