Table 1:

Summary of the demographic data of the patient and control groups

Patients (n = 64)Controls (n = 34)P Value
Age (yr)a57.8 ± 11.947.1 ± 12.2<.001
Male sexb29 (45)14 (41).910
Duration of symptoms (yr)6.3 ± 12.7NA
Threshold-discrimination-identification score15.7 ± 6.7NA
Presumptive cause of olfactory dysfunctionb
    Chronic rhinosinusitis23 (36)NA
    Post-upper respiratory infection16 (25)NA
    Posttraumatic or postsurgical7 (11)NA
    Idiopathic18 (28)NA

  • Note:—NA indicates not applicable.

  • ↵a Numbers are presented as mean ± SD.

  • ↵b Number of patients. Numbers in parentheses are percentages.