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Table 1 Characteristics of nasopharyngeal carcinoma patients (n = 507)

From: Expression of heat shock protein 70 in nasopharyngeal carcinomas: different expression patterns correlate with distinct clinical prognosis

Characteristic Nasopharyngeal carcinoma patients: n (%)
Sex  
 Female 126 (24.9)
 Male 381 (75.1)
Age (years)  
 Median (range) 46 (19–78)
 Mean ± SD 46.38 ± 11.065
Clinical stage  
 I-II 140 (27.7)
 III-IV 367 (72.3)
Progression  
 No 310 (61.1)
 Yes 197 (38.9)
Death  
 No 341 (67.3)
 Yes 166 (32.6)
Follow-up time (months)  
 Median (range) 68 (3–114)
 Mean ± SD 60.81 (25.4)
WHO histological classification  
 NKUC 364 (71.8)
 NKDC 129 (25.4)
 KSCC 13 (2.6)
 Missing 1 (0.2)
  1. SD, standard deviation; WHO, World Health Organization; NKUC, non-keratinizing undifferentiated carcinoma; NKDC, non-keratinizing differentiated carcinoma; KSCC, keratinizing squamous cell carcinoma.