Table 2.

Bias and coverage in point and interval estimates of expected survival when β = 1.5.

Model		True	Weibull	Cox‐like	Poly‐Weibull
1: Weibull	Mean	14.32	14.31	14.71	14.76
	Bias (%)		−0.01 (−0.1%)	0.39 (2.7%)	0.44 (3.1%)
	Coverage		0.94	0.98	0.96
2: Decreasing cause‐specific	Mean	14.22	13.40	13.75	14.16
relative hazard	Bias (%)		−0.82 (−5.8%)	−0.47 (−3.3%)	−0.06 (−0.4%)
	Coverage		0.78	0.96	0.72
3: Rapidly decreasing cause‐	Mean	19.78	14.19	17.10	19.15
specific relative hazard	Bias (%)		−5.62 (−28.4%)	−2.68 (−13.5%)	−0.63 (−3.20%)
	Coverage		0.00	0.80	0.90