Skip to main content

Table 1 Characteristics of the Phase I study groups.

From: Genetic factors leading to chronic Epstein-Barr virus infection and nasopharyngeal carcinoma in South East China: Study design, methods and feasibility

  NPC positive NPC negative
   EBV/IgA/VCA positive EBV/IgA/VCA negative
No. study participants 350 288 346
Male/female(%male) 233/117(67%) 142/146(49%) 129/217(59%)
Age* 48 ± 10 (16 79) 44 ± 9 (20 77) 47 ± 10 (18 75)
IgA/VCA titre 1:10-1:640 1:5-1:80 < 1:5
IgA/EAtitre 1:10-:160 (57.4%) 1:5-1:20(5%) < 1:5
  1. Abbreviations: EBV, Epstein-Barr virus; IgA, immunoglobulin A; NPC, nasopharyngeal carcinoma; VCA, viral capsid antigens.
  2. * Age at NPC diagnosis and at study enrolment for IgA serostatus.