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Table 9 Age and body mass index adjusted means (SEM) of bone mass (stiffness indexa and mBMDb) by osteoarthritis (OA) grade at the knee, distal interphalangeal (DIP), proximal interphalangeal (PIP), carpometacarpal/metacarpophalangeal (CMC/MCP) joints, ages 60 years over. (n = 405)

From: Appendicular bone mass and knee and hand osteoarthritis in Japanese women: a cross-sectional study

OA grades

No.

Stiffness indexa

P value*

No.

mBMDb

P value*

Knee

      

   0

 

65.8 (0.8)

  

2.14 (0.02)

 

   1–4

 

66.0 (0.6)

0.82

 

2.10 (0.02)

0.13

DIP

      

   0

 

65.9 (1.4)

  

2.11 (0.04)

 

   1–4

 

65.9 (0.5)

0.97

 

2.22 (0.01)

0.93

PIP

      

   0

 

66.0 (0.6)

  

2.11 (0.02)

 

   1–4

 

65.8 (0.7)

0.87

 

2.12 (0.02)

0.55

CMC/MCP

      

   0

 

65.9 (0.6)

  

2.12 (0.01)

 

   1–4

 

65.9 (0.9)

0.98

 

2.11 (0.02)

0.63

  1. a: Stiffness index values were missing for 10 women. b: metacarpal bone mineral density. *P value versus women with no OA.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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