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Table 4 Observed values, and standard errors (SEs) and bootstrapped standard errors, for the SMR and CMF for nine centres in the DAVROS data

From: Direct risk standardisation: a new method for comparing casemix adjusted event rates using complex models

Centre

SMR

CMF

 

Observed value

SE (theoretical)

SE (bootstrap)

Observed value

SE (theoretical)

SE (bootstrap)

A

1.03

0.095

0.076

1.06

0.083

0.077

B

1.19

0.084

0.069

1.19

0.076

0.070

C

0.92

0.061

0.046

0.90

0.053

0.047

D

0.95

0.097

0.083

0.97

0.094

0.089

E

0.99

0.109

0.090

1.01

0.099

0.092

F

0.84

0.098

0.081

0.84

0.091

0.084

G

1.01

0.115

0.101

1.02

0.102

0.101

H

0.98

0.131

0.105

0.96

0.114

0.112

I

1.08

0.129

0.104

1.08

0.111

0.106