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Table 3 Comparison of anthropometric, clinical and densitometric variables between patients with AS with and without pre-sarcopenia (Baumgartner definition)

From: Is there a relation between pre-sarcopenia, sarcopenia, cachexia and osteoporosis in patients with ankylosing spondylitis?

  AS patients with pre-sarcopenia N = 33 AS patients without pre-sarcopenia N = 34 P
Age (yrs): m (SD) 42.1 (11.6) 40.7 (10.7) NS
Height (m): m (SD) 1.71 (0.06) 1.73 (0.06) NS
Weight (kg): m (SD) 64.6 (11.0) 76.9 (11.9) <0.0001
BMI (kg/m2): m (SD) 21.6 (3.6) 25.7 (3.7) <0.0001
Disease duration (yrs): m (SD) 9.4 (9.1) 9.1 (6.6) NS
Lumbar spine BMD (g/cm2): m (SD) 1.077 (0.23) 1.164 (0.14) NS
Lumbar spine T-score: m (SD) −1.05 (3.4) −0.22 (1.2) 0.032
Total hip BMD (g/cm2): m (SD) 0.925 (0.13) 1.026 (0.23) 0.017
Total hip T-score: m (SD) −0.89 (1.4) −0.22 (1.1) 0.017
Osteoporosis: n (%) 10 (30.3) 3 (8.8) 0.0033
BASDAI (0–10): m (SD) 4.4 (2.4) 3.3 (2.5) 0.003
BASMI (0–10): m (SD) 2.8 (2.2) 2.8 (2.7) NS
BASFI (0–100): m (SD) 45.5 (26.5) 35.0 (25.5) NS
BAS-G (0–100): m (SD) 15.7 (16.8) 19.1 (22.6) NS
Hand grip strength (kg): m (SD) 22.5 (7.0) 24.3 (9.8) NS
Timed get-up-and-go test (sec) < 10 sec: n (%) 23 (74.2) 24 (75.0) NS
Arm circumference (cm): m (SD) 26.8 (1.9) 30.5 (3.9) <0.0001
Waist circumference (cm): m (SD) 85.7 (10.8) 97.1 (11.4) <0.0001
MNA test (0–17): m (SD) 0.29 (0.4) 0.20 (0.3) NS
SASSS (0–72): m (SD) 11.8 (16.7) 10.0 (15.6) NS
CRP (mg/l): m (SD) 20.1 (10.1) 10.6 (10.1) NS
ESR (mm/H): m (SD) 33.0 (22.3) 21.2 (18.4) NS
Patients taking TNFi: n (%) 13 (28.9) 9 (42.9) NS
  1. BMI body mass index, CRP C-reactive protein, ESR erythrocyte sedimentation rate, MNA Mini Nutritional Assessment, SASSS Stoke Ankylosing Spondylitis Spinal Score