Skip to main content

Table 2 Number of hospitals randomized as index and reference

From: Sample size calculations for indirect standardization

 

<0.9

0.9-0.95

0.95-1

1-1.25

1.25-1.5

>1.5

Index Hospitals

31

2

1

6

2

8

Reference Hospitals

62

4

3

12

6

17

Back to article page

BMC Medical Research Methodology

ISSN: 1471-2288

Contact us