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Table 2 Correlations. Correlations between bone mineral density by digital X-ray radiogrammetry and by dual energy x-ray absorptiometry, total Larsen score, Larsen score of the hands, markers of inflammation and bone turnover in postmenopausal women with rheumatoid arthritis

From: Bone mineral density by digital X-ray radiogrammetry is strongly decreased and associated with joint destruction in long-standing Rheumatoid Arthritis: a cross-sectional study

  Age Height Weight Disease duration HAQ DAS 28 ESR CRP Hb CTX-I ICTP DXR-BMD Larsen score Larsen score hand DXA-BMD forearm DXA-BMD total hip DXA-BMD lumbar spine
DXR-BMD -0.33** (75) 0.31** (75) 0.38** (75) -0.45*** (75) -0.29* (75) -0.20 (74) -0.32** (74) -0.21 (74) 0.31** (75) -0.22 (68) -0.28* (66)   -0.68*** (72) -0.68*** (72) 0.82*** (70) 0.65*** (74) 0.52*** (74)
Larsen score 0.002 (72) -0.13 (72) -0.20 (72) 0.46*** (72) 0.42*** (72) 0.33** (71) 0.55*** (71) 0.49*** (71) -0.39*** (72) 0.29* (66) 0.61*** (63) -0.68*** (72)   0.97*** (72) -0.48*** (67) -0.43*** (71) -0.17
(71)
Larsen score, hand 0.022 (72) -0.14 (72) -0.14 (72) 0.48*** (72) 0.46*** (72) 0.33** (71) 0.54*** (71) 0.48*** (71) -0.36*** (72) 0.32** (66) 0.65*** (63) -0.68*** (72) 0.97*** (72)   -0.50*** (67) -0.42*** (71) -0.20
(71)
DXA-BMD forearm -0.32** (70) 0.35** (70) 0.46*** (70) -0.34** (70) -0.16 (70) -0.040 (69) -0.082 (69) -0.07 (69) 0.16 (70) -0.16 (63) -0.23 (62) 0.82*** (70) -0.48*** (67) -0.50*** (67)   0.76*** (69) 0.69*** (69)
  1. Number of patients with available data is given within (). *p < 0,05, **p < 0,01, ***p < 0,001
  2. CTX-I = C-terminal telopeptide fragments of type I collagen, ICTP = C-terminal telopeptide of type I collagen
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