Table 2

Numbers of fractures in women with and without RA (1994–96) in the Barwon Statistical Division, stratified by year of data ascertainment
Rheumatoid arthritis (cases) Non-rheumatoid arthritis (controls)
Year RA population at risk Fracture numbers (%) Population at risk* Fracture numbers (%)**
1994 319 3 (0.94%) 57,491 601 (1.04%)
1995 333 5 (1.50%) 57,477 690 (1.20%)
1996 356 11 (3.09%) 57,454 690 (1.20%)
Total 1,008 19 (1.88%) 172,422 1,981 (1.15%)

*Control population figures were extrapolated using 1996 Census data [15].

**Raw fractures figures were ascertained for 1994–1996 from Sanders et al. [18].

Brennan et al.

Brennan et al. BMC Musculoskeletal Disorders 2014 15:13   doi:10.1186/1471-2474-15-13

Open Data