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Table 4 χ2 test for TCCT detection of CSMO

From: The ChromaTest, a digital color contrast sensitivity analyzer, for diabetic maculopathy: a pilot study

 

True Positive

True Negative

Total

Test Positive

25

35

60

Test Negative

10

80

90

Total

35

115

150

  1. Sensitivity = 71% (CI: 53–85%), Specificity: 70% (CI: 60–78%); χ2 test: p < 0.0001 comparing proportions of true positives among the test positive versus test negative subjects