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Table 1 Summary information of samples used in genome-wide association studies (GWAS) and replication studies

From: Association analyses confirm five susceptibility loci for systemic lupus erythematosus in the Han Chinese population

  Cases Controls
Sample size Mean age (SD) Mean age of onset (SD) Male/female Female, % Sample size Mean age (SD) Male/female Female, %
GWAS 1,047 34.02 (11.53) 29.81 (10.08) 63/984 93.98 1,205 34.75 (12.97) 673/532 44.15
Replication 1 2,202 34.71 (11.91) 30.49 (11.20) 187/2,015 91.51 2,208 30.41 (13.00) 995/1,213 54.94
Replication 2 1,307 33.11 (11.63) 28.19 (10.65) 87/1,220 93.34 6,038 28.36 (10.92) 2,924/3,114 51.57
Total 4,556 34.10 (11.76) 29.70 (11.05) 337/4,219 92.60 9,451 29.65 (12.05) 4,592/4,859 51.41