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Table 2 The frequency of osteoporosis at either the femoral neck or lumbar spine BMD with RA patients

From: The frequency of and risk factors for osteoporosis in Korean patients with rheumatoid arthritis

Age Total BMD measurement rates Osteoporosis Osteopenia Normal
(N) (N, %) (N, %) (N, %) (N, %)
25–49 238 75 (5.7) 18 (2.9) 38 (6.5) 19 (15.7)
50–59 1267 503 (38.1) 174 (28.1) 257 (44.2) 72 (59.5)
60–69 1053 542 (41.0) 285 (46.0) 230 (39.5) 27 (22.3)
70–79 351 184 (13.9) 125 (20.2) 56 (9.6) 3 (2.5)
≥80 31 18 (1.4) 17 (2.8) 1 (0.2) 0 (0.0)
Total (N, %) 2940 1322 (45.0) 619 (46.8) 582 (44.0) 121 (9.2)