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Table 1 VenUS IV participant characteristics at baseline

From: Validation of the VEINES-QOL quality of life instrument in venous leg ulcers: repeatability and validity study embedded in a randomised clinical trial

Number recruited 454a
Male (n (%)) 230 (50.7 %)
Age (years) (Mean (SD)) 68.6 (14.5)
Body mass index (kg/m2) (Mean (SD)) 31.0 (8.0)
Mobility  
 Participant walks freely (n (%)) 289 (63.8 %)
 Participant walks with difficulty (n (%)) 160 (35.3 %)
 Participant is immobile (n (%)) 4 (0.9 %)
SF-12 quality of life score (Mean (SD))b  
 Physical component 38.4 (11.2)
 Mental component 49.6 (11.3)
Diabetes 78 (17.2 %)
Ulcer area (cm2) (median (IQR)) 3.9 (1.6, 8.7)
Ulcer duration (months)) (median (IQR)) 4.0 (2.0, 11.0)
Time since first ulcer (months) (median (IQR)) 36.0 (4.0, 120.0)
Total ulcers on reference leg (n) (median (IQR)) 1.0 (1.0, 2.0)
Reference leg  
 Left (n (%)) 256 (56.4 %)
 Right (n (%)) 198 (43.6 %)
Ankle mobility of reference leg (n (%))  
 Participant has full range of motion 313 (68.9 %)
 Reduced range of ankle motion 132 (29.9 %)
 Participant’s ankle is fixed 9 (2.0 %)
Ankle brachial pressure index of reference leg (Mean (SD)) 1.1 (0.1)
  1. Key: IQR = Interquartile range, SD = Standard deviation
  2. aFor some variables a small number of observations are missing
  3. bin general population, we expect mean = 50, SD = 10