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Table 3 Variance of estimates provided by the MI, TOBIT and LOGIT approaches at various proportions of nondetects (entries are averages of 1000 repetitions)

From: Evaluation of regression methods when immunological measurements are constrained by detection limits

  Sample size of 200 Sample size of 400 Sample size of 1000
% NDs MI TOBIT Logit MI TOBIT Logit MI TOBIT Logit
10% 0.0050 0.0044 0.0358 0.0022 0.0022 0.0164 0.0008 0.0009 0.0063
30% 0.0055 0.0050 0.0185 0.0022 0.0025 0.0089 0.0007 0.0010 0.0035
50% 0.0055 0.0061 0.0195 0.0021 0.0030 0.0095 0.0006 0.0012 0.0037
70% 0.0048 0.0092 0.0319 0.0018 0.0043 0.0147 0.0005 0.0017 0.0056