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. 2021 Jul 1;16(7):e0251652. doi: 10.1371/journal.pone.0251652

Table 2. Participant demographics and clinical characteristics.

Usual Care (n = 14) Exercise (n = 15)
Age, years, mean ±SD 78.8 ±7.0 77.0 ±8.3
Female, n (%) 7 (50) 6 (40)
Ethnicity

  • White British, n (%)

 14 (100) 15 (100)
Primary Renal Disease, n (%)

  • Renovascular/Ischaemic

 7 (50) 5 (33)

  • Diabetic

 2 (14) 0 (0)

  • Cardio-renal

 0 (0) 2 (13)

  • Glomerulonephritis

 1 (7) 3 (20)

  • Obstructive Uropathy

 0 (0) 2 (13)

  • Other

 3 (21) 3 (20)

  • Unknown

 1 (7) 0 (0)
CCI, mean ±SD 3.4 ±0.9 4.2 ±1.3
Medications, median (IQR) 8.5 (6.3) 9.0 (5.0)
Smoking History, n (%)

  • Non-smoker

 4 (29) 5 (33)

  • Ex-smoker

 8 (57) 8 (53)

  • Current smoker

 2 (14) 2 (13)
Living Circumstances, n (%)

  • Alone

 8 (57) 8 (53)

  • With Family

 6 (43) 7 (47)
Received Carer Support, n (%) 0 (0) 2 (13)
CFS Score, n (%)

  • 4: Vulnerable

 8 (57) 10 (67)

  • 5: Mildly frail

 2 (14) 5 (33)

  • 6: Moderately frail

 4 (29) 0 (0)
Frailty Phenotype

  • Pre-Frail

 10 (71) 10 (67)

  • Frail

 4 (29) 5 (33)
Fall Previous 6 Months, n (%) 1 (7) 0 (0)
BMI, kg/m2, mean ±SD 29.4 ±5.7 29.4 ±6.9
Blood Pressure, mean ±SD

  • Systolic, mmHg

 142.6 ±11.5 139.5 ±18.5

  • Diastolic, mmHg

 70.1 ±10.6 70.4 ±9.4
Laboratory Variables, mean ±SD

  • Creatinine, μmol/L

 239.5 ±63.4 274.4 ±106.1

  • eGFR, ml/min/1.73m2

 20.4 ±7.2 18.9 ±7.0

  • Haemoglobin, g/L

 117.6 ±15.6 117.1 ±6.7

  • Albumin, g/L

 42.9 ±3.9 40.5 ±2.5

CCI, Charlson Comorbidity Index, BMI, Body Mass Index; eGFR, estimated Glomerular Filtration Rate.

Data presented as number (%), mean ± SD or median (IQR).