Table 2. Analysis of Risk Factors for Mortality.
| Variable | Death, No. (%) | Hazard Ratio (95% CI) | Wald Test P Value |
|---|---|---|---|
| Analysis of Risk Factors for Mortality in BED Before 2002 | |||
| sLT | NA | 9.34 (3.29-26.50) | <.001 |
| Sex | .18 | ||
| Male (n = 71) | 14 (20) | 1 [Reference] | |
| Female (n = 82) | 10 (12) | 0.57 (0.25-1.29) | |
| Age at BED procedure, d | .81 | ||
| ≤60 (n = 59) | 8 (14) | 1 [Reference] | |
| 61-90 (n = 61) | 11 (18) | 1.35 (0.54-3.39) | |
| >90 (n = 33) | 5 (15) | 1.20 (0.39-3.70) | |
| Days between BA diagnosis and BED treatment | .09 | ||
| ≤2 (n = 64) | 9 (14) | 1 [Reference] | |
| 3-7 (n = 53) | 5 (9) | 0.55 (0.18-1.65) | |
| >7 (n = 36) | 10 (28) | 1.79 (0.72-4.42) | |
| Analysis of Risk Factors for Mortality in BED On or After January 1, 2002 | |||
| sLT | NA | 0.99 (0.34-2.91) | .98 |
| Sex | .96 | ||
| Male (n = 77) | 9 (12) | 1 [Reference] | |
| Female (n = 83) | 10 (12) | 1.02 (0.42-2.53) | |
| Age at BED procedure, d | .86 | ||
| ≤60 (n = 58) | 6 (10) | 1 [Reference] | |
| 61-90 (n = 69) | 9 (13) | 1.32 (0.46-3.79) | |
| >90 (n = 33) | 4 (12) | 1.09 (0.29-4.09) | |
| Days between BA diagnosis and BED treatment | .59 | ||
| ≤2 (n = 58) | 6 (10) | 1 [Reference] | |
| 3-7 (n = 59) | 6 (10 | 0.89 (0.28-2.79) | |
| >7 (n = 43) | 7 (16) | 1.53 (0.51-4.61) | |
| Analysis of Risk Factors for Mortality in pLT | |||
| Procedure era | .007 | ||
| Before 2002 (n = 166) | 21 (12.6) | 1 [Reference] | |
| On or after January 1, 2002 (n = 147) | 3 (2.0) | 0.19 (0.06-0.64) | |
| Sex | .53 | ||
| Male (n = 127) | 8 (6.3) | 1 [Reference] | |
| Female (n = 186) | 16 (8.6) | 1.32 (0.56-3.10) | |
| Age at LT procedure, d | .36 | ||
| ≤240 (n = 94) | 4 (4) | 1 [Reference] | |
| 241-365 (n = 94) | 9 (10) | 2.36 (0.72-7.71) | |
| >365 (n = 125) | 11 (8.8) | 1.86 (0.57-6.02) | |
| Days between BA diagnosis and pLT procedure | .42 | ||
| ≤14 (n = 110) | 6 (5.5) | 1 [Reference] | |
| 15-90 (n = 109) | 10 (9.2) | 1.93 (0.70-5.35) | |
| >90 (n = 94) | 8 (9) | 1.74 (0.59-5.13) | |
Abbreviations: BA, biliary atresia; BED, biliary-enteric drainage; LT, liver transplant; NA, not applicable; pLT, primary liver transplant; sLT, salvage liver transplant.