Table IV.

Monte Carlo results for the marginal survival estimate at the median and 75th percentile survival times, where log(T) = 0.10 − 2Z₁ + 0.5Z₂ − 2Z₃ + 2Z₄ + 2Z₅ + Normal(0, 0.8²) and log(C) = 0.08 − 2.5Z₁ + 0.5Z₂ − 2Z₃ + 2Z₄ + 2Z₅ + Normal(0, 0.8²).

	S(t) = 0.50					S(t) = 0.25
Method	Esta	Bias	SDb	SEc	CRd	Est	Bias	SD	SE	CR
N = 200
FO	0.5033	0.0033	0.0347	0.0353	94.8	0.2518	0.0018	0.0296	0.0306	94.2
PO	0.6291	0.1291	0.0408	0.0397	13.6	0.3984	0.1484	0.0463	0.0464	11.2
KMIBJ55	0.5256	0.0256	0.0461	0.0441	90.6	0.2823	0.0323	0.0426	0.0426	91.2
KMIPH55	0.5246	0.0246	0.0461	0.0442	90.8	0.2808	0.0308	0.0429	0.0424	91.0
KMIBJ53	0.5288	0.0288	0.0460	0.0436	89.4	0.2847	0.0347	0.0435	0.0425	88.4
KMIPH53	0.5279	0.0279	0.0462	0.0435	89.6	0.2830	0.0330	0.0429	0.0419	88.8
KMIBJ35	0.5441	0.0441	0.0445	0.0430	81.0	0.3014	0.0514	0.0443	0.0429	80.4
KMIPH35	0.5440	0.0440	0.0451	0.0433	81.4	0.3012	0.0512	0.0441	0.0432	80.6
IPCWLognormal	0.5060	0.0060	0.0587	0.0515	92.4	0.2599	0.0099	0.0516	0.0505	94.4
IPCWPH	0.4850	−0.0150	0.0979	0.0436	70.8	0.2311	−0.0189	0.0795	0.0371	62.8
PMILognormal	0.5023	0.0023	0.0355	0.0398	97.6	0.2519	0.0019	0.0302	0.0354	97.8
PMIWeibull	0.4958	−0.0042	0.0362	0.0394	96.8	0.2397	−0.0103	0.0297	0.0340	96.6
N = 400
FO	0.5003	0.0003	0.0255	0.0250	94.8	0.2490	−0.0010	0.0217	0.0216	93.8
PO	0.6275	0.1275	0.0284	0.0282	0.8	0.3958	0.1458	0.0321	0.0329	0.2
KMIBJ55	0.5202	0.0202	0.0315	0.0315	89.6	0.2767	0.0267	0.0287	0.0304	89.8
KMIPH55	0.5199	0.0199	0.0317	0.0317	90.2	0.2764	0.0264	0.0287	0.0305	89.8
KMIBJ53	0.5229	0.0229	0.0315	0.0313	88.2	0.2790	0.0290	0.0283	0.0302	88.2
KMIPH53	0.5226	0.0226	0.0318	0.0311	88.6	0.2779	0.0279	0.0284	0.0300	88.6
KMIBJ35	0.5324	0.0324	0.0315	0.0309	81.8	0.2895	0.0395	0.0294	0.0305	78.0
KMIPH35	0.5329	0.0329	0.0317	0.0309	81.6	0.2895	0.0395	0.0295	0.0303	76.6
IPCWLognormal	0.5029	0.0029	0.0409	0.0388	93.6	0.2529	0.0029	0.0384	0.0366	94.2
IPCWPH	0.4699	−0.0301	0.0953	0.0353	69.4	0.2071	−0.0429	0.0813	0.0283	55.8
PMILognormal	0.5005	0.0004	0.0250	0.0281	97.6	0.2498	−0.0002	0.0219	0.0250	98.0
PMIWeibull	0.4941	−0.0059	0.0261	0.0277	94.6	0.2381	−0.0119	0.0218	0.0241	94.2

Censoring rate = 51%, the Spearman correlation coefficient between T and C (i.e.,ρ) = 0.69.

FO, fully observed; PO, partially observed; KMI, Kaplan–Meier imputation; IPCW, inverse probability of censoring weighted; PMI, parametric multiple imputation.

^aAverage of 500 point estimates.

^bEmpirical standard deviation.

^cAverage estimated standard error.

^dCoverage rate of 500 95% confidence intervals.