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Table 1 Arthritis incidence in F2 generation crossed by Balb/c KO and DBA/1 KO mice

From: Variation of sexual dimorphism and asymmetry in disease expression of inflammatory arthritis among laboratory mouse models with different genomic backgrounds

F2 generation

Female

Male

X2

P

Arthritis

207

136

17.466

0.00003

Healthy

155

44

Total number

362

180

542

Incidence

57.18%

75.56%