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

Table 2 Accuracy of clinical diagnosis of oral candidiasis

Oral tongue swab	Incidence n (%)	Clinical diagnosis of candidiasis			Accuracy (%)
Oral tongue swab	Incidence n (%)	Yes	No	Total	Accuracy (%)
Before RT (n = 86)	Colonized patients	0 (TP)	34 (FN)	34	60
	Non-colonized patients	0 (FP)	52 (TN)	52
During RT^a (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

RT, radiotherapy; TP, true positive; TN, true negative; FP, false positive; FN, false negative
^a15th–17th fraction of RT or immediately following clinical diagnosis of oral candidiasis

ISSN: 1472-6831