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Table 1 General characteristics of participants

From: Increased risk of lymphoid malignancy in patients with herpes zoster: a longitudinal follow-up study using a national cohort

CharacteristicsHerpes zoster (n, %)Reference (n, %)P-value*
Age (years)  1.000
 20–241818 (3.1)7272 (3.1) 
 25–292790 (4.7)11,160 (4.7) 
 30–343409 (5.7)13,636 (5.7) 
 35–393889 (6.5)15,556 (6.5) 
 40–444623 (7.8)18,492 (7.8) 
 45–496189 (10.4)24,756 (10.4) 
 50–547964 (13.4)31,856 (13.4) 
 55–597239 (12.2)28,956 (12.2) 
 60–646273 (10.5)25,092 (10.5) 
 65–695783 (9.7)23,132 (9.7) 
 70–744611 (7.8)18,444 (7.8) 
 75–792798 (4.7)11,192 (4.7) 
 80–841381 (2.3)5524 (2.3) 
 85+728 (1.2)2912 (1.2) 
Sex  1.000
 Male23,677 (39.8)94,708 (39.8) 
 Female35,818 (60.2)143,272 (60.2) 
Income  1.000
 1 (lowest)9048 (15.2)36,192 (15.2) 
 28306 (14.0)33,224 (14.0) 
 39840 (16.5)39,360 (16.5) 
 413,072 (22.0)52,288 (22.0) 
 5 (highest)19,229 (32.3)76,916 (32.3) 
Region of residence  1.000
 Urban28,342 (47.6)113,368 (47.6) 
 Rural31,153 (52.4)124,612 (52.4) 
CCI score  < 0.001*
 021,182 (35.6)100,129 (42.1) 
 15942 (10.0)24,823 (10.4) 
 28187 (13.8)30,511 (12.8) 
 37804 (13.1)27,512 (11.6) 
  ≥ 416,380 (27.5)55,005 (23.1) 
Lymphoid neoplasm90 (0.15)212 (0.08)< 0.001*
  1. *Chi-square test; a P-value < 0.05 indicates significance
  2. †CCI score was calculated without considering malignancies, including leukemia/lymphoma and metastatic solid tumors
  3. CCI Charlson comorbidity index