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Table 3 Results simulation study IIa, maximum likelihood logistic regression only

From: No rationale for 1 variable per 10 events criterion for binary logistic regression analysis

EPV

15 to 30

35 to 50

55 to 150

Separated data removed

Yes

No

Yes

No

Yes

No

Bias

      

Average bias

-0.097

2.255

0.083

0.161

0.051

0.053

max

0.091

7.074

0.127

0.439

0.084

0.096

min

-0.556

0.234

0.050

0.056

0.048

0.022

Average relative bias (%)

-0.087

2.110

0.079

0.145

0.048

0.049

max

0.091

5.103

0.095

0.317

0.061

0.069

min

-0.401

0.338

0.069

0.081

0.032

0.032

Coverage 90% CI

      

Average coverage (%)

92.7

93.4

89.1

89.1

90.4

90.4

max

98.3

98.8

90.6

90.6

91.8

91.8

min

89.7

89.8

87.9

87.9

89.2

89.2

> ± 1% nominal (%)

75

75

50

37.5

25

25

Average width

4.087

4437.2

2.656

49.2

2.005

2.645

Mean Square Error

      

Average MSE

1.251

64.571

0.709

2.243

0.397

0.422

Separated data sets

      

Total (%)

13.2

4.2

0.006