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Table 2 Frequency of culture results and allergy in patients with pityriasis versicolor compared with normal subjects.

From: Study of the distribution of Malassezia species in patients with pityriasis versicolor and healthy individuals in Tehran, Iran

Group Patient Normal  
Culture results Positive Negative Total Positive Negative Total statistical result
Allergy No % No % No % No % No % No %  
Positive 19 63.3 11 36.7 30 100.0 6 45.5 5 45.5 11 100.0 f.p = 0.44
Negative 85 75.9 27 24.1 112 100.0 54 60.7 35 39.3 89 100.0 X2 = 5.38 P = 0.02
Total 104 73.2 38 26.8 142 100.0 60 60.0 40 40.0 100 100.0 X2 MH = 4.77 P = 0.03
  1. f.p: fisher exact test p-value; X2: Chi square; P: P value; X2 MH: Mantel-Haenszel Chi square No: Number; %: Percent.