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. 2013 Aug 22;15(1):170–181. doi: 10.1093/biostatistics/kxt027

Table 2.

Second simulation scenario: Inline graphic, Inline graphic, censoring is 45% and 25% for Inline graphic and Inline graphic, respectively, Inline graphic, Inline graphic, Inline graphic, Inline graphic, 300 bootstrap replicates, 95% nominal coverage with ECL representing the average CI width

No NL
NL
Quantile Variable Method Bias MSE Cov. ECL Power Bias MSE Cov. ECL Power
0.25 Variable 1 Portnoy −0.01 0.04 0.97 0.86 1.00 0.16 0.75 0.95 3.37 0.26
Inline graphic PH 0.00 0.04 0.96 0.86 1.00 −0.04 0.73 0.95 3.35 0.20
TW −0.06 0.04 0.97 0.86 1.00 −0.01 0.68 0.95 3.28 0.22
Variable 2 Portnoy −0.01 0.06 0.97 1.01 1.00 −0.19 0.29 0.97 2.27 0.99
Inline graphic PH −0.02 0.06 0.97 1.01 1.00 −0.24 0.33 0.96 2.29 0.99
TW 0.06 0.06 0.97 1.02 1.00 0.02 0.25 0.97 2.21 0.98
Variable 3 Portnoy 0.00 0.06 0.97 1.04 0.98 0.10 0.27 0.96 2.24 0.53
Inline graphic PH 0.01 0.06 0.97 1.03 0.98 0.12 0.28 0.96 2.26 0.54
TW −0.09 0.07 0.96 0.99 0.97 −0.11 0.21 0.97 2.01 0.44
0.5 Variable 1 Portnoy −0.01 0.03 0.96 0.73 1.00 0.11 0.56 0.95 2.93 0.32
Inline graphic PH −0.01 0.03 0.96 0.74 1.00 −0.07 0.56 0.95 2.96 0.23
TW −0.01 0.03 0.97 0.74 1.00 0.03 0.56 0.95 2.98 0.28
Variable 2 Portnoy −0.01 0.05 0.96 0.85 1.00 −0.12 0.17 0.95 1.66 1.00
Inline graphic PH −0.01 0.05 0.95 0.86 1.00 −0.15 0.19 0.95 1.72 1.00
TW 0.00 0.05 0.96 0.86 1.00 −0.04 0.16 0.96 1.71 1.00
Variable 3 Portnoy 0.00 0.05 0.97 0.88 0.99 0.05 0.15 0.97 1.68 0.72
Inline graphic PH 0.00 0.05 0.97 0.89 1.00 0.06 0.16 0.97 1.74 0.70
TW 0.00 0.05 0.97 0.89 1.00 0.02 0.15 0.97 1.71 0.69