Table 1. Characteristics of NPC patient specimens recruited for IHC study.

Variables	No. of patients
Age (years)
≤ 50	41
> 50	29
Gender
Male	57
Female	13
Clinical stage
Early (Stages 1 and 2)	21
Late (Stages 3 and 4)	49
RecurrenceRecurrence/distant metastasis
Absent	53
Present	17