Table 2

Four treatment arms resulting from the 2 × 2 randomization

Regimen ARegimen BRegimen CRegimen D
Intensity Standard Standard Increased Increased 
Duration 1 DI 2 DI 1 DI 2 DI 
Regimen ARegimen BRegimen CRegimen D
Intensity Standard Standard Increased Increased 
Duration 1 DI 2 DI 1 DI 2 DI 

DI indicates delayed intensification.