Table 2

Chondrocalcinosis (CC) at other sites and metacarpophalangeal joint (MCPJ) calcification in the presence or absence of knee involvement

Index joint

Knee CC

+ve

Knee CC

-ve

Proportion (95%CI) with CC at index joint without knee involvement

Wrist

120

96

44.4 (38.0-51.0)%

Hip

85

72

45.9 (38.3-53.4)%

Symphysis pubis

61

51

45.5 (36.6-54.8)%

Any MCPJs

33

15

31.3 (20.0-45.0)%

Abhishek et al. Arthritis Research & Therapy 2012 14:R205   doi:10.1186/ar4043