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Table 1 CONTEXT patient cohorts for the MS discovery and validation studies

From: Subclinical effects of remote ischaemic conditioning in human kidney transplants revealed by quantitative proteomics

Patient cohort for the MS discovery studya Patient cohort for validation study
Recipient RIC (n =  6) Non-RIC (n =  6) Recipient RIC, n = 72 Non-RIC, n = 74
Gender Gender
 Male 5 5  Male 46 (64%) 44 (59%)
 Female 1 1  Female 26 (36%) 30 (51%)
Age, median (range) 52.2 (43.6–60.5) 48.0 (30.1–70.3) Age, median (range) 57.3 (49.7–64.8) 60.8 (49.4–65.9)
Dialysis mode Dialysis mode
 Pre-emptive 3 4  Preemptive 13 (18%) 15 (20%)
 HD 2 1  HD 40 (56%) 42 (57%)
 PD 1 1  PD 18 (25%) 16 (22%)
     HD + PD 1 (1%) 1 (1%)
Number of transplant Number of transplant
 First 6 6  First 63 (88%) 65 (88%)
 Retransplant 0 0  Retransplant 9 (13%) 9 (12%)
Original renal disease Original renal disease
 Glomerulopathy 2 1  Glomerulopathy 20 (28%) 15 (20%)
 ADPKD 2 2  ADPKD 15 (21%) 15 (20%)
 Diabetes mellitus 1 1  Diabetes mellitus 8 (11%) 8 (11%)
 Vascular/hypertension 0 1  Vascular/hypertension 7 (10%) 9 (12%)
 Reflux/obstructive 0 0  Reflux/obstructive 3 (4%) 2 (3%)
 Other 0 1  Other 6 (8%) 7 (9%)
 Unknown 1 0  Unknown 13 (18%) 18 (24%)
Comorbidity Comorbidity
 Diabetes mellitus 1 1  Diabetes mellitus 12 (17%) 14 (19%)
 Hypertension 5 5  Hypertension 62 (86%) 69 (93%)
Total HLA-A, D, DR mismatches Total HLA-A, B, DR mismatches
 0 0 0  0 3 (4%) 6 (8%)
 1–2 0 0  1–2 15 (21%) 18 (24%)
 3–4 5 6  3–4 47 (65%) 35 (47%)
 5–6 1 0  5–6 7 (10%) 15 (20%)
Immunosuppression at discharge Immunosuppression at discharge
 Tacrolimus 6 6  Tacrolimus 63 (88%) 72 (97%)
 Mycophenolate mofetil 6 6  Mycophenolate mofetil 70 (97%) 74 (100%)
 Corticosteroids 6 6  Corticosteroids 66 (92%) 72 (97%)
     Cyclosporine 7 (10%) 2 (3%)
     None (graft loss) 2  
Patient cohort for the MS discovery studya Patient cohort for validation study
Donor RIC (n =  6) Non-RIC (n =  6) Donor RIC, n = 72 Non-RIC, n = 74
Gender Gender
 Male 4 4  Male n (%) 39 (54%) 41 (55%)
 Female 2 2  Female n (%) 33 (46%) 33 (45%)
Age, median (range) 61.5 (55–72) 61.5 (55–72) Age, median (range) 58.5 (50.5–65.5) 56.5 (49–63)
Paired kidneys 6 6 Paired kidneys 28 (39%) 28 (38%)
    Single kidneys 44 (61%) 46 (62%)
DBD 6 6 DBD 67 (93%) 69 (93%)
    DCD 5 (7%) 5 (7%)
Cause of death Cause of death, DBD (n = 67 and 69)
 Cerebrovascular insult 5 5  Cerebrovascular insult 42 (63%) 43 (62%)
     Cerebral anoxia 15 (22%) 17 (25%)
 Trauma 1 1  Trauma 9 (13%) 9 (13%)
     Benign cerebral neoplasm 1 (1%) 0
    Cause of death, DCD (n = 5 and 5)   
     Cerebrovascular insult 2 2
     Cardiac disease 1 2
     Trauma 0 1
     Other 2 0
Preservation solution Preservation solutions
 Custodiol 5 5  Custodiol 56 (78%) 52 (70%)
 UW 1 1  UW 15 /21%) 20 (27%)
     Other 1 (1%) 2 (3%)
   Warm ischemia time DCD, min 20 (15–25) 18 (14–25)
Cold ischemia time (h) Median (range) 12.3 (5.5–26.2) 13.5 (8.4–21.0) Cold ischemia time (h) DBD + DCD  
    n > 24 h 13.4 (3.8) 13.9 (4.9)
     Missing data 1 4
     1 1
Total surgery time (h) Median (range) 2.1 (1.7–2.3) 2.3 (1.3–2.6) Total surgery time (h) Median (range) 2.4 (2.0–2.8) 2.5 (2.0–3.0)
     Missing data 1 0
Remuzzi score, median (range) Remuzzi score, median (range)
 All biopsies 2.5 (1–7) n = 6 3.5 (2–6) n = 6  All biopsies (n = 61 and 63) 2 (1–3) 2 (1–4)
 6 glom 2.5 (1–7) n = 6 3.5 (2–6) n = 6  6 glom (n = 56 and 55)b 2 (1–3) 2 (1–4)
 10 glom 3 (2–4) n = 3 3.5 (2–4) n = 4  10 glom (n = 41 and 42)b 2 (1–3) 2 (1–4)
    Missing datac 11 (15%) 11 (15%)
  1. Data are mean (standard deviation), n (%), or median (interquartile range). Remuzzi scores on biopsies taken 30 min after reperfusion of the graft (baseline-biopsy)
  2. Patient demographics and intraoperative data in RIC and non-RIC groups: left side two columns are the exploratory groups and right side two columns are the validation groups. Data are mean (standard deviation), n (%), or median (interquartile range). Remuzzi scores on biopsies taken 30 min after reperfusion of the graft (baseline-biopsy)
  3. HD haemodialysis; PD peritoneal dialysis, ADPKD autosomal dominant polycystic kidney disease, DBD donation after brain death, DCD donation after circulatory death, glom glomeruli, RIC remote ischaemic conditioning, UW University of Wisconsin solution
  4. aSamples used for the discovery cohort are included in the validation cohort
  5. bScore if including only biopsies with minimum 6 or 10 glomeruli in the analysis
  6. cBiopsies were either not performed or insufficient
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