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Page 6 of 15 Molinari et al. Hepatoma Res 2018;4:56 I http://dx.doi.org/10.20517/2394-5079.2018.71

Table 1. Demographic and clinical characteristics of the study population (6048 liver transplant recipients)
Characteristics Value
Age, years, mean, (SD) 57.9 (6.9)
Sex, n (%)
Female 1,224 (20.2)
Ethnicity, n (%)
Caucasian 4,054 (67.0)
African American 531 (8.8)
Hispanic 859 (14.2)
Asian 522 (8.6)
Multiracial or others 82 (1.4)
Recipient BMI, mean, (SD) 28.5 (5.0)
Recipient BMI, category, n (%)
Underweight 3 (0)
Normal weight 1,535 (25.4)
Overweight 2,420 (41.0)
Obesity class I 1,342 (22.2)
Obesity class II 545 (9.0)
Obesity class III 143 (2.4)
Donor BMI, mean, (SD) 27.6 (5.4)
Presence of renal insufficiency requiring dialysis, n (%) 50 (0.8)
Presence of diabetes, n (%)
No 4,254 (70.3)
Type 1 or type 2 1,742 (28.8)
Unknown 52 (0.9)
MELD score, mean, (SD) 12.1 (4.5)
Hospital stay (day), mean, (SD) 10.6 (13.0)
Months spent on the waiting list, n (%)
0-3 2,370 (39.2)
3.1-6 1,245 (20.6)
6.1-12 1242 (20.5)
Longer than 12 months 1,191 (19.7)
Functional status at the time of transplantation, n (%)
Less than 60% 958 (15.8)
60% or more 4,795 (79.2)
Unknown 295 (4.8)
Education, n (%)
Elementary of middle school (grade 1-8) 326 (5.4)
High school (grade 9-12) 2,333 (38.6)
College or technical school 1,376 (22.8)
Associate or bachelor degree 805 (13.3)
Post-college or graduate degree 338 (5.6)
Unknown 870 (14.4)
UNOS region, n (%)
Region 1 274 (4.5)
Region 2 605 (10.0)
Region 3 888 (14.7)
Region 4 734 (12.1)
Region 5 968 (16.0)
Region 6 301 (5.0)
Region 7 549 (9.1)
Region 8 483 (8.0)
Region 9 422 (7.0)
Region 10 512 (8.5)
Region 11 312 (5.2)
Donors’ age, years, mean, (SD) 41.1 (15.9)
Cold ischemia time, hours, mean, (SD) 6.7 (2.5)
BMI: body mass index