Table 4

Percentage of correct diagnoses of the different causes of keratitis for different observers

Reference standard diagnosisObserver, n (%)
Observer AObserver BObserver CObserver D
Acanthamoeba (n=26)19 (73.1)11 (42.3)4 (15.4)12 (46.2)
Bacteria* (n=19)10 (52.6)15 (78.9)15 (78.9)8 (42.1)
Fungus (n=12)1 (8.3)5 (41.2)5 (41.2)5 (41.2)
Microsporidia (n=3)1 (33.3)2 (66.7)2 (66.7)1 (33.3)
Nocardia (n=2)01 (50)00
  • Percentage correct diagnosis was calculated by taking into account only those cases where each observer had made the correct diagnosis on both assessments.

  • * 2 Enterobacter, 1 Haemophilus, 1 Moraxella, 1 Mycobacteria, 1 Pasteurella,3 Pseudomonas, 1 Serratia, 7 Staphylococcus, 2 Streptococcus.

  • 1 Alternaria, 1 Candida, 10 Fusarium.