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Table 3 Performance of TF and new pannus as a diagnostic test for Ct infection

From: Can corneal pannus with trachomatous inflammation – follicular be used in combination as an improved specific clinical sign for current ocular Chlamydia trachomatis infection?

 

TF

New pannus

TF & new pannus

Sensitivity

90.4

55.8

51.9

Specificity

69.7

85.3

91.7

PPV

58.8

64.4

75.0

NPV

93.8

80.2

80.0