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Table 1 PADI4 haplotype combinations in Caucasian individuals

From: Detailed analysis of the variability of peptidylarginine deiminase type 4 in German patients with rheumatoid arthritis: a case–control study

Haplotype A Haplotype B
  Haplotype 1 Haplotype 1B Haplotype 2/3 Haplotype 4
Haplotype 1     
   Controls 35 (34.3%) 5 (4.9%) 35 (34.3%) 9 (8.8%)*
   Patients 25 (24.5%) 1 (1%) 31 (30.4%) 20 (19.6%)*
Haplotype 1B     
   Controls 0 0 1 (1%) 0
   Patients 0 0 0 0
Haplotype 2/3     
   Controls 0 0 12 (11.8%) 3 (2.9%)
   Patients 0 0 17 (16.7%) 6 (5.9%)
Haplotype 4     
   Controls 0 0 0 2 (2%)
   Patients 0 0 0 2 (2%)
  1. Frequencies of different PADI4 haplotype combinations in patients with rheumatoid arthritis (n = 102) and in healthy controls (n = 102) are presented. *P < 0.05 (Fisher's exact test).