Skip to main content

Table 1 Phenotype descriptive statistics, intraclass correlation coefficients (ICCs)

From: Large-scale linkage analysis of 1302 affected relative pairs with rheumatoid arthritis

Phenotypea Mean SD N ICC p ICC b No. ARPs No. pedigrees
Gender 0.61 0.49 7213 - - 1302 982
AAO (years) 39.84 13.51 2405 0.38 <<0.001 1030 786
Definite erosion 0.90 0.30 2063 0.08 0.21 789 630
RF 1.99 1.16 2083 0.18 <<0.001 785 608
HLA 0.76 0.42 2430 - - 870 662
  1. aBinary measures: - or male: 0, + or female: 1.
  2. bpICC is not corrected for multiple testing.