Table I.

Comparison of results from different approaches for pooled analysis using the hierarchical Cox proportional hazards model.

	MCMCid*		ieMCMC*		Bayesian-PL†
Parameter	Mean (SE)	95 per cent HDR	Mean (SE)	95 per cent HDR	Mean (SE)	95 per cent HDR
μ	−0.797 (0.174)	(−1.136, −0.475)	−0.846 (0.208)	(−1.248, −0.436)	−0.891 (0.277)	(−1.423, −0.335)
σ	0.327 (0.413)	(0.027, 1.016)	0.425 (0.519)	(0.029, 1.292)	0.727 (0.783)	(0.028, 1.947)
γ1	−0.779 (0.145)	(−1.067, −0.494)	−0.845 (0.158)	(−1.162, −0.544)	−0.998 (0.185)	(−1.360, −0.623)
γ2	−1.073 (0.359)	(−1.812, −0.486)	−1.227 (0.416)	(−2.123, −0.596)	−1.585 (0.476)	(−2.497, −0.775)
γ3	−0.636 (0.274)	(−1.111, −0.039)	−0.623 (0.336)	(−1.190, 0.109)	−0.463 (0.412)	(−1.189, 0.339)
β1	−0.538 (0.086)	(−0.707, −0.371)	−0.569 (0.098)	(−0.756, −0.377)	−0.645 (0.101)	(−0.842, −0.444)
β2	0.013 (0.006)	(0.001, 0.027)	0.017 (0.007)	(0.002, 0.030)	0.008 (0.007)	(−0.006, 0.021)

^*Random imputation for infection times y based on the estimated Weibull $(\widehat{\alpha },\widehat{\lambda })$.

^†Prior distribution for infection times y: Weibull(α, λ), where α ∼ LogNorm(1.31, 0.4) and λ ∼ LogNorm(3.51, 0.5).