Table 2:

Number of simulations out of 10,000 that failed to satisfy convergence criteria, possessed a non-positive-definite Hessian matrix, or had a parameter with a large standard error (five or greater) for simulations using Lachenbruch’s⁶² sample size formula.

Mean difference between groups (τ)	Percentage censored	Gaussian pdf-cdf	Bernoulli-Gaussian	Long-term survivor	Buckley-James
0.00	10
0.00	30
0.00	50				46
0.00	70				84
0.00	90		1		270
−0.25	10		2
−0.25	30
−0.25	50				35
−0.25	70			1	128
−0.25	90				15
−0.50	10		138	152
−0.50	30
−0.50	50			1	546
−0.50	70			2	592
−0.50	90			27	293
−0.75	10		2167	2253
−0.75	30		9	117
−0.75	50			97	918
−0.75	70			261	1555
−0.75	90	99	99	848	929
−1.00	10		5986	6906
−1.00	30		536	1317
−1.00	50			654	1330
−1.00	70	39	39	1389	2086
−1.00	90	1257	1257	3302	2164