RCT NO. 1     RCT NO. 2    
  EST (n = 106) EPCS (n = 105) P Value EPCS (n = 76) TIPS (n = 78) P Value
Control of bleeding, n (%)            
Temporary during workup            
Received vasopressin or octreotide intravenously 95 (90) 80 (76) 0.012* 60 (83) 71 (92) 0.13
Bleeding at start of vasopressin or octreotide infusion 47 (49) 55 (69) 0.014* 40 (67) 44 (71) 0.59
Bleeding decreased or stopped 36 (77) 38 (69) 0.51 19 (48) 24 (58) 0.66
Permanent by EST or EPCS (RCT No. 1) or by TIPS (RCT No. 2)            
Indeterminate, nonbleeding death ≤14 d 4 (4) 12 (11) 0.040* 16 (21) 8 (10) 0.078
Successful control excluding indeterminates for at least            
14 d 22 (21) 93 (100) <0.001* 60 (100) 58 (83) <0.001*
30 d 20 (20) 89 (100) <0.001* 57 (95) 56 (80) 0.017*
>30 d 20 (20) 89 (100) <0.001* 57 (95) 54 (77) 0.005*
Declaration of primary therapy failure, n (%) 81 (79) 0 (0) <0.001*      
Required ≥6 U PRBC in first 7 d 15 (19) --   0 (0) 9 (13) 0.003*
Required ≥8 U PRBC in any 12 mo 47 (58) --   2 (3) 33 (47) <0.001*
Recurrent variceal bleeding after variceal            
obliteration was declared 27 (33) --   0 (0) 32 (46) <0.001*
More than one criterion for failure 8 (10) --   0 (0) 19 (27) <0.001*
PRBC transfusion, U, mean/median (range)            
Index hospitalization            
Before primary therapy 4.5/4 (2-12) 5.8/5 (2-17) <0.001* 5/5.6 (0-14) 5/6.3 (0-30) 0.83
During primary therapy 0.6/0 (0-7) 6.3/3 (0-68) <0.001* 3.5/5.4 (0-32) 0/0.4 (0-6) <0.001*
“Catch-up” after primary therapy 0.2/0 (0-4) 1.2/0 (0-21)  0.001* 0/0.8 (0-15) 0/0.2 (0-4) 0.056
Posttherapy bleeding            
Variceal 4.4/0 (0-37) 0/0 (0-0) <0.001* 0/1.1 (0-46) 0/2.6 (0-29) <0.001*
Nonvariceal 0.3/0 (0-11) 1.8/0 (0-29) 0.059 0/1.1 (0-21) 0/0.1 (0-6) 0.020*
Total PRBC units 10.0/7 (2-44) 15.0/10 (2-81) <0.001* 9/14.0 (0-85) 7/9.8 (2-42) 0.010*
Readmissions for bleeding            
Variceal bleeding 6.8/2 (0-60) 0.4/0 (0-26) <0.001* 0/0.2 (0-14) 6/6.6 (0-36) <0.001*
Nonvariceal bleeding 3.8/0 (0-38) 3.5/0 (0-33) 0.23 0/0.4 (0-10) 0/0.5 (0-11) 0.62
Total PRBC units 10.6/7 (0-60) 3.9/0 (0-33) <0.001* 0/06.9 (0-14) 6/7.0 (0-36) <0.001*
Total PRBC units for variceal bleeding 15.8/14 (2-64) 13.6/10 (2-73) 0.037* 8/11.7 (0-85) 14/15 (3-47) <0.001*
Overall survival (Pr/95% Cl)     <0.001*     <0.001*
30-d 0.88 (0.81, 0.94) 0.87 (0.80, 0.93)   0.77 (0.68, 0.87) 0.78 (0.70, 0.88) 0.96
1-yr 0.72 (0.64, 0.81) 0.81 (0.74, 0.89)   0.75 (0.65, 0.85) 0.55 (0.45, 0.67) 0.022*
2-yr 0.54 (0.45, 0.64) 0.77 (0.70, 0.86)   0.68 (0.58, 0.79) 0.49 (0.39, 0.61) 0.022*
3-yr 0.44 (0.36, 0.55) 0.75 (0.67, 0.84)   0.65 (0.55, 0.77) 0.36 (0.27, 0.48) 0.001*
4-yr 0.35 (0.27, 0.45) 0.74 (0.66, 0.83)   0.63 (0.53, 0.75) 0.23 (0.15, 0.35) <0.001*
5-yr 0.21 (0.14, 0.30) 0.73 (0.65, 0.82)   0.61 (0.51, 0.73) 0.20 (0.13, 0.31) <0.001*
7-yr       0.52 (0.41, 0.66) 0.15 (0.09, 0.28) <0.001*
10-yr 0.09 (0.05, 0.17) 0.46 (0.37, 0.56)   -- --  
15-yr 0.09 (0.05, 0.17) 0.46 (0.37, 0.56)   -- --  
Median survival, yr (95% Cl) 2.48 (1.58, 3.76) 6.17 (5.60, 10.37)   >10 (5.1 >10) 1.99 (0.52, 2.8)  
Survival by Child risk class (Pr/95% Cl)            
5-yr Child class (PR/95% Cl)            
A 0.38 (0.24, 0.59) 0.89 (0.83, 1.00) 0.003* 0.85 (0.68, 1) 0.38 (0.20, 0.71) 0.006*
B 0.15 (0.08, 0.30) 0.76 (0.64, 0.89) <0.001* 0.65 (0.51, 0.82) 0.22 (0.12, 0.41) <0.002*
C 0.11 (0.04, 0.31) 0.57 (0.41, 0.78) 0.005* 0.42 (0.26, 0.67) 0.04 (0.01, 0.30) 0.016*
10-yr Child class (PR/95% Cl)            
A 0.18, (0.08, 0.38) 0.62 (0.45, 0.83) 0.003* 0.76 (0.55, 1) 0.30 (0.20, 0.71) 0.008*
B 0.07 (0.02, 0.20) 0.45 (0.33, 0.61) <0.001* 0.51 (0.36, 0.71) 0.15 (0.06, 0.41) 0.003*
C 0.04 (0.01, 0.25) 0.33 (0.20, 0.55) 0.005* 0.42 (0.26, 0.67) 0.04 (0.01, 0.30) 0.016*
Median survival, yr (95% Cl)            
A 4.62 (4.08, 6.34) 10.43 (>5.92) 0.003* >9.37 (>9.37 >9.37) 3.46 (0.51, 8.05) 0.008*
B 2.61 (1.65, 3.96) 6.19 (>5.44) <0.001* >9.80 (5.09 >9.80) 2.12 (1.03, 3.00) <0.001*
C 0.58 (0.12, 2.36) 5.30 (0.70, 10.16) 0.005* 1.25 (0.06 >9.66) 0.08 (0.04, 1.99 0.016*
Survival by direct UCSD admission versus transfer from           0.13
outside UCSD (Pr/95% Cl)     0.48      
Direct UCSD admission            
5 yr 0.17 (0.08, 0.36) 0.58 (0.42, 0.80)   0.46 (0.26, 0.83) 0.20 (0.06, 0.69)  
7 yr -- --   0.31 (0.14, 0.70) 0.10 (0.02, 0.64)  
10 yr 0.11 (0.05, 0.29) 0.52 (0.27, 0.66)   -- --  
Transfer from outside UCSD            
5 yr 0.24 (0.16, 0.36) 0.79 (0.70, 0.88)   0.64 (0.53, 0.77) 0.20 (0.12, 0.32)  
7 yr -- --   0.57 (0.46, 0.72) 0.17 (0.10, 0.30)  
10 yr 0.08 (0.03, 0.18) 0.45 (0.36, 0.58)        
Mean survival, yr (95% Cl)            
Direct UCSD admission 2.71 (0.72, 4.51) 5.28 (>2.80)   1.25 (0.04 >9.79) 1.03 (0.49 >7.13)  
Transfer from outside UCSD 2.45 (1.59, 3.76) 6.25 (5.81, 11.03)   >10 (5.18 >10) 1.99 (0.51, 3.0)  
Rescue portacaval shunt in EST group – effect on median            
survival, yr (95% Cl) and rescue portacaval shunt in TIPS group            
Successful EST (n = 21) or TIPS (n = 15) 2.76 (1.52, 7.35) -- 0.48 -- 3.75 (1.15 >7.18) 0.95
Failed EST (n = 81) or failed TIPS (n = 55) 2.71 (1.65, 3.92) --        
Rescue shunt-failed EST (n = 50) or rescue shunt in failed TIPS (n=8) 3.01 (1.65, 4.34) -- 0.098 -- 2.04 (0.92, 2.88) 0.98
No rescue shunt-failed EST (n = 31) or failed TIPS (n = 39) 2.36 (0.72, 4.34) --   -- >8.06 (3.93 >8.06)  
Overall survival:  rescue shunt (n = 50) versus primary         1.03 (0.50, 2.67)  
EPCS (n = 105) in RCT No. 1 and rescue shunt (n=8) versus 3.01 (1.65, 4.34) 6.18 (5.61, 10.38) <0.001* >10 (5.1 >10) >8.06 (3.93 >8.06) 0.98
Primary EPCS (n = 64) in RCT No. 2            
Postoperative survival:  rescue shunt (n = 50) versus 1.99 (1.34, 3.73) 6.18 (5.61, 10.38) <0.001* >10 (5.1 >10) >8.04 (3.08 >8.04) 0.67
primary EPCS (n = 105)            
10-yr Child class (Pr/95% Cl)            
A 0.18 (0.08, 0.38) 0.62 (0.45, 0.83) 0.003*      
B 0.07 (0.02, 0.20) 0.45 (0.33, 0.61) <0.001*      
C 0.04 (0.01, 0.25) 0.33 (0.20, 0.55) 0.005*      
Median survival, yr (95% Cl)            
A 4.62 (4.08, 6.34) 10.43 (>5.92) 0.003* >9.37 (>9.37 >9.37) 3.46 (0.51, 8.05) 0.008*
B 2.61 (1.65, 3.96) 6.19 (>5.44) <0.001* >9.80 (5.09 >9.80) 2.12 (1.03, 3.00) <0.001*
C 0.58 (0.12, 2.36) 5.30 (0.70, 10.16) 0.005* 1.25 (0.06 >9.66) 0.08 (0.04, 1.99) 0.016*
Pr-probability; PRBC, Packed Red Blood Cells; UCSD-University of California-San Diego.
*Statistically significant difference
Table 4: Control of bleeding and survival in RCT No. 1 (endoscopic sclerotherapy versus emergency portacaval shunt) and in RCT No. 2 (emergency portacaval shunt versus TIPS) in patients with bleeding esophageal varices.