Table 2

 Frequency of osteoporosis and reduced bone mass in hip (femoral neck) and spine, L1–4 among all patients with RA and the respective subgroups according to sex, menopausal state, and original study in which they participated (%)

Osteoporosis*Reduced bone mass†
Femoral neckSpine L1–4Femoral neckSpine L1–4
*T score ⩽−2.5 SD; †Z score ⩽−1 SD; ‡Owing to missing values the total differs from the sum of subgroups of women.
All (n = 373)6.512.618.920.7
Men (n = 87)3.58.023.340.2
Women
    All women (n = 286)‡7.414.017.614.7
    Premenopausal (n = 96)3.13.122.917.7
    Postmenopausal (n = 167)10.321.716.413.3
RAPIT (n = 297)7.112.115.213.8
Remission (n = 76)4.114.734.248.0