Research Article

Predictors of Successful Yttrium-90 Radioembolization Bridging or Downstaging in Patients with Hepatocellular Carcinoma

Table 1

Baseline demographics and clinical characteristics.

CharacteristicAll cohortOutside Milan criteriaInside Milan criteria valueUnfavorable responseFavorable response value

Total number of patientsn = 135n = 76n = 59n = 54n = 81
Age, mean65 ± 1066 ± 864 ± 120.166 ± 865 ± 110.5
Gender, female29 (22%)15 (20%)14 (24%)0.511 (20%)18 (22%)0.5

Ethnicity
 Caucasian77 (57%)44 (58%)33 (56%)0.336 (67%)41 (51%)0.1
 African American39 (29%)20 (26%)19 (32%)13 (24%)26 (32%)
 Asian10 (7%)6 (8%)4 (7%)3 (6%)7 (8%)
 Hispanic2 (2%)0 (0%)2 (3%)1 (2%)1 (1%)
 Other7 (5%)6 (8%)1 (2%)1 (2%)6 (7%)

Pre-Y90-RE HCC therapies
 Liver directed procedures38 (28%)29 (38%)9 (15%)0.00319 (35%)19 (23%)0.09
 Systemic therapies4 (3%)7 (11%)0 (0%)15 (9%)2 (2%)0.09
Y90-RE segmentectomy94 (70%)43 (57%)51 (86%)0.000127 (50%)67 (83%)0.0001

Etiology of liver disease
 Hepatitis B virus16 (12%)11 (14%)5 (8%)0.28 (15%)8 (10%)0.3
 Hepatitis C virus77 (57%)43 (57%)34 (58%)0.532 (59%)45 (56%)0.4
 EtOH abuse29 (21%)15 (20%)14 (24%)0.512 (22%)17 (21%)0.7
 Nonalcoholic steatohepatitis16 (12%)12 (16%)4 (7%)0.097 (13%)9 (11%)0.5
 Hemochromatosis1 (1%)1 (1%)0 (0%)0.61 (2%)0 (0%)0.4
 Other22 (16%)11 (14%)11 (%)0.310 (18%)12 (14%)0.4

ECOG performance status
 096 (71%)55 (72%)41 (69%)0.636 (67%)60 (74%)0.3
 134 (25%)20 (26%)14 (24%)16 (30%)18 (22%)
 23 (2%)1 (1%)2 (3%)2 (4%)1 (1%)
 32 (1%)0 (0%)2 (3%)0 (0%)2 (2%)

ALBI grade
 130 (22%)8 (11%)22 (37%)0.00025 (9%)25 (31%)0.002
 298 (73%)64 (84%)34 (58%)46 (85%)52 (64%)
 37 (5%)4 (5%)3 (5%)3 (6%)4 (5%)
MELD, mean10 ± 310 ± 310 ± 3110 ± 310 ± 30.7
AAPR, mean0.36 ± 0.160.33 ± 0.150.41 ± 0.150.0030.32 ± 0.150.39 ± 0.160.007

Child–Pugh class
 A117 (87%)64 (84%)53 (90%)0.242 (78%)75 (93%)0.01
 B18 (13%)12 (16%)6 (10%)12 (22%)6 (7%)
 C0 (0%)0 (0%)0 (0%)0 (0%)0 (0%)

BCLC stage grade
 05 (4%)0 (0%)5 (8%)0.00011 (2%)4 (5%)0.0001
 A51 (38%)15 (20%)36 (61%)7 (13%)44 (54%)
 B40 (30%)40 (53%)0 (0%)28 (52%)12 (15%)
 C37 (27%)21 (28%)16 (27%)18 (33%)19 (23%)
 D2 (1%)0 (0%)2 (3%)0 (0%)2 (2%)

The symbol indicates a significant value. Y90‐RE = yttrium‐90 radioembolization; HCC = hepatocellular carcinoma; ECOG = Eastern Cooperative Oncology Group; ALBI = albumin‐bilirubin; MELD = model for end‐stage liver disease; AAPR = Albuminato-alkaline phosphatase ratio; BCLC = Barcelona Clinic Liver Cancer.