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Table 2 Accuracy of clinical diagnosis of oral candidiasis

From: An underestimated pitfall of oral candidiasis in head and neck cancer patients undergoing radiotherapy: an observation study

Oral tongue swab Incidence n (%) Clinical diagnosis of candidiasis Accuracy (%)
Yes No Total
Before RT
(n = 86)
Colonized patients 0 (TP) 34 (FN) 34 60
  Non-colonized patients 0 (FP) 52 (TN) 52  
During RTa
(n = 82)
Colonized patients 21 (TP) 33 (FN) 54 50
  Non-colonized patients 8 (FP) 20 (TN) 28  
End of RT
(n = 71)
Colonized patients 10 (TP) 31 (FN) 41 52
  Non-colonized patients 3 (FP) 27 (TN) 30  
  1. RT, radiotherapy; TP, true positive; TN, true negative; FP, false positive; FN, false negative
  2. a15th–17th fraction of RT or immediately following clinical diagnosis of oral candidiasis