Table 7 Comparison of mean hazard ratios from the Branson & Whitehead method and ITT and PP approaches

2

ITT

0.7346

0.0346

0.0734

(×1.2 'Good' prognosis survival, 10% and 25% switching probabilities)

PP - Exclude switchers

0.7071

0.0071

0.0746

Branson and Whitehead

0.7077

0.0077

0.0708

6

ITT

0.8030

0.1030

0.0808

(×1.2 'Good' prognosis survival, 50% and 75% switching probabilities)

PP - Exclude switchers

0.7153

0.0153

0.1004

Branson and Whitehead

0.7172

0.0172

0.0724

10

ITT

0.7411

0.0411

0.0763

(×3 'Good' prognosis survival, 10% and 25% switching probabilities)

PP - Exclude switchers

0.7280

0.0280

0.0793

Branson and Whitehead

0.7165

0.0165

0.0738

14

ITT

0.8121

0.1121

0.0843

(×3 'Good' prognosis survival, 50% and 75% switching probabilities)

PP - Exclude switchers

0.7810

0.0810

0.1142

Branson and Whitehead

0.7325

0.0325

0.0762