Table 1:

Characteristics of 43 participants with NPC and 41 participants with benign hyperplasia in the nasopharynx

Clinical CharacteristicsPatients with NPC (n = 43)Patients with Benign Hyperplasia (n = 41)
Age (yr)
 Median53 (33–83)a54 (41–66)a
 Mean ± SD54.5 ± 10.553.6 ± 6.9
Sex
 Men3141
 Women120
Primary tumor invasion
 Deep invasion absent (stage T1)14NA
 Deep invasion present (stages T2–4)29NA
  • Note:—NA indicates not applicable.

  • a Data in parentheses indicate the range.