Research Article

Identifying the Prognosis Factors in Death after Liver Transplantation via Adaptive LASSO in Iran

Table 1

Descriptive statistics of qualitative variables of 680 patients with liver transplantation utilized in modeling process.

CharacteristicNumber (%)

Recipient sex
 Male430 (63.2)
 Female250 (36.8)
Recipient diagnosis disease
 Metabolic102 (15)
 Cholestatic140 (20.6)
 Hepatitis267 (39.3)
 Tumors9 (1.3)
 Cryptogenic46 (6.8)
 Other causes116 (17.1)
Comorbidity disease
 No573 (84.3)
 Yes107 (15.7)
MELD/PELD score
 <20308 (45.3)
20372 (54.7)
Child class
 A81 (11.9)
 B305 (44.9)
 C294 (43.2)
Type of transplantation
 Whole573 (84.3)
 Split36 (5.3)
 Partial71 (10.4)
Previous abdominal surgery
 No590 (86.8)
 Yes90 (13.2)
Renal failure before transplantation
 No646 (95)
 Yes34 (5)
Diabetes after transplantation
 No528 (77.6)
 Yes152 (22.4)
Vascular complication after transplantation
 No646 (95)
 Yes34 (5)
Renal failure after transplantation
 No624 (91.8)
 Yes56 (8.2)
PNF
 No669 (98.4)
 Yes11 (1.6)
PTLD
 No672 (98.8)
 Yes8 (1.2)
CMV
 No651 (95.7)
 Yes29 (4.3)
Lung complication after transplantation
 No655 (96.3)
 Yes25 (3.7)
Bile duct complication after transplantation
 No664 (97.6)
 Yes16 (2.4)
Exploration after transplantation
 No567 (83.4)
 Yes113 (16.6)
Donor sex
 Male452 (66.5)
 Female228 (33.5)
Donor status
 Living70 (10.3)
 Died610 (89.7)