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Table 1 Characteristics and results of the baseline assessment by follow-up status of participants

From: Association between sarcopenia, physical performance and falls in patients with rheumatoid arthritis: a 1-year prospective study

Variables Responder n = 238 Non-responder n = 51
Non-Fallers Fallers p-value1
n mean (± SD) n mean (± SD)   n mean (± SD)
Demographics
 Age (years) 190 59.2 (± 11.9) 48 63.7 (± 9.5) 0.016 51 56.9 (± 9.4)
  -Females 147 58.4 (± 11.9) 40 63.6 (± 9.9) 0.013 43 56.7 (± 9.7)
 Females, n, (%) 190 147 (77.4) 48 40 (83.3) 0.368 51 43 (84.3)
 Height (m) 190 1.67 (± 0.08) 48 1.64 (± 0.07) 0.017 51 1.66 (± 0.08)
 Weight (kg) 190 77.3 (± 14.0) 48 73.1 (± 12.0) 0.059 51 75.3 (± 15.0)
 BMI (kg/m2) 190 27.1 (± 4.5) 48 26.5 (± 4.0) 0.401 51 26.9 (± 4.9)
 Previous falls (yes), n, (%) 190 25 (13.2) 48 11 (22.9) 0.092 51 14 (27.5)
 Physical activity (yes), n, (%) 190 137 (72.1) 48 36 (75.0) 0.688 51 26 (51.0)
Medical data
 RA disease duration (y)2 190 9.0 (4.0–16.0) 48 11.0 (5.0–19.7) 0.33 51 10.0 (6.0–19.0)
 DAS28CRP (score)2 189 2.07 (1.62–2.85) 45 2.33 (1.69–3.25) 0.161 50 2.35 (1.64–3.03)
  -Low disease activity ≤3.2, n, (%)   154 (81.1)   33 (66.8) 0.229   39 (76.5)
  -Moderate disease activity 3.2 ≤ 5.1, n, (%)   34 (17.9)   12 (25.0)   9 (17.6)
  -High disease activity > 5.1, n, (%)   1 (0.5)   0   2 (3.9)
 HAQ (score)2 190 0.37 (0.0–1.12) 48 0.81 (0.41–1.5) 0.001 51 0.75 (0.0–1.5)
Physical performance tests
 Handgrip strength (kg) 189 24.8 (± 9.0) 48 22.45 (± 8.2) 0.102 50 22.97 (± 8.1)
 Gait speed (m/s) 190 1.24 (± 0.21) 48 1.23 (± 0.25) 0.70 51 1.19 (± 0.2)
 CRT (sec) 187 9.43 (± 3.2) 47 9.69 (±3.6) 0.635 51 10.32 (± 3.8)
 SPPB (total score)2 190 11.0 (11.0–12.0) 48 11.0 (10.0–12.0) 0.645 51 11.0 (10.0–12.0)
 SPPB (score category)
  -Poor performer: 0–6, n, (%)   7 (3.7)   1 (2.1) 0.710   3 (5.9)
  -Moderate performer: 7–9, n, (%)   20 (10.5)   7 (14.6)   7 (13.7)
  -Good performer: 10–12, n, (%)   163 (85.8)   40 (83.3)   41 (80.4)
 FICSIT-4 (score)2 190 5.0 (0.0) 48 5.0 (4.0–5.0) 0.030 51 5.0 (0.0)
 Low FICSIT-4 (1–4), n, (%) 190 28 (14.7) 48 14 (29.2) 0.019 51 10 (19.6)
Lean mass DXA
 ASM/h2 (kg/m2) 190 6.89 (± 1.04) 48 6.64 (± 0.9) 0.13 51 6.73 (± 1.0)
 ASM/BMI (m2) 190 0.73 (± 0.1) 48 0.69 (± 0.1) 0.04 51 0.70 (± 0.1)
Leonardo tests
 CRTPrel (W/kg) 182 10.35 (± 2.8) 44 9.73 (± 2.5) 0.18 49 9.45 (± 2.0)
 2LJPrel (W/kg) 169 27.19 (± 6.9) 45 25.32 (± 5.3) 0.05 45 25.60 (± 6.8)
 EFI (%) 169 81.20 (± 17.3) 45 83.67 (± 16.0) 0.38 45 75.74 (± 17.3)
  1. Notes
  2. 1 p-value of unpaired t-test or Mann-Whitney-U-Test or Chi2-test, bold values significant difference between fallers and non-fallers.
  3. 2 Data are presented as median (interquartile range).