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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: J Rheumatol. 2013 Aug 15;40(10):1669–1676. doi: 10.3899/jrheum.121493

Table 2.

Distribution of all fractures and fragility fractures among 822 Olmsted County, Minnesota women following their initial diagnosis of rheumatoid arthritis (RA), by fracture site and proximate cause, compared with an equal number of age-matched non-RA women

All Women Women ≥ 50 Years Women < 50 Years
Fracture site All Fractures
N (%)
Fragility Fractures*
N (%)
All Fractures
N (%)
Fragility Fractures*
N (%)
All Fractures
N (%)
Fragility Fractures*
N (%)
RA Non-RA RA Non-RA RA Non-RA RA Non-RA RA Non-RA RA Non-RA
Skull/face 11 (1%) 8 (2%) 8 (1%) 6 (2%) 10 (2%) 5 (1%) 8 (2%) 4 (1%) 1 (0%) 3 (3%) 0 (0%) 2 (3%)
Hands/fingers 25 (3%) 21 (5%) 14 (2%) 9 (3%) 13 (2%) 12 (3%) 8 (2%) 6 (2%) 12 (4%) 9 (8%) 6 (3%) 3 (5%)
Distal forearm 46 (6%) 43 (9%) 39 (6%) 31 (9%) 36 (7%) 34 (10%) 31 (7%) 26 (9%) 10 (4%) 9 (8%) 8 (4%) 5 (8%)
Proximal humerus 31 (4%) 17 (4%) 23 (4%) 13 (4%) 23 (4%) 15 (4%) 17 (4%) 12 (4%) 8 (3%) 2 (2%) 6 (3%) 1 (2%)
Other arm 24 (3%) 10 (2%) 15 (2%) 6 (2%) 14 (3%) 6 (2%) 8 (2%) 4 (1%) 10 (4%) 4 (4%) 7 (3%) 2 (3%)
Clavicle/scapula/sternum 16 (2%) 7 (2%) 10 (2%) 4 (1%) 14 (3%) 5 (1%) 8 (2%) 3 (1%) 2 (1%) 2 (2%) 2 (1%) 1 (2%)
Ribs 86 (11%) 49 (11%) 60 (9%) 30 (9%) 50 (9%) 37 (10%) 36 (8%) 26 (9%) 36 (13%) 12 (11%) 24 (11%) 4 (7%)
Thoracic/lumbar vertebrae 279 (34%) 158 (34%) 261 (40%) 142 (42%) 185 (35%) 135 (38%) 171 (40%) 123 (44%) 94 (33%) 23 (21%) 90 (41%) 19 (32%)
Cervical vertebrae 14 (2%) 4 (1%) 11 (2%) 1 (0%) 8 (1%) 2 (1%) 6 (1%) 0 (0%) 6 (2%) 2 (2%) 5 (2%) 1 (2%)
Pelvis 50 (6%) 23 (5%) 36 (6%) 19 (6%) 35 (7%) 15 (4%) 26 (6%) 14 (5%) 15 (5%) 8 (7%) 10 (5%) 5 (8%)
Proximal femur 68 (8%) 36 (8%) 59 (9%) 31 (9%) 57 (11%) 35 (10%) 49 (11%) 31 (11%) 11 (4%) 1 (1%) 10 (5%) 0 (0%)
Other leg 81 (10%) 43 (9%) 55 (8%) 26 (8%) 47 (9%) 25 (7%) 31 (7%) 18 (6%) 34 (12%) 18 (17%) 24 (11%) 8 (13%)
Feet/toes 84 (10%) 44 (10%) 58 (9%) 24 (7%) 42 (8%) 29 (8%) 31 (7%) 15 (5%) 42 (15%) 15 (14%) 27 (12%) 9 (15%)

All sites 815 463 649 342 534 355 430 282 281 108 219 60
*

excludes severe trauma and pathologic fracture