Skip to main content

Table 2 Power for detecting heterogeneity of treatment effect by varying degrees of balance among the components of the composite for a moderate heterogeneity pattern OR1, OR2= (0.65, 1.00) and ratio (p1:p2) of occurrence of components 1 and 2.

From: Testing for heterogeneity among the components of a binary composite outcome in a clinical trial

Balance (p1:p2)

Weighted DD

Weighted RS

Independent

Random Effects

GEE

1:1

85.3

85.8

88.1

88.2

90.0

1:3

77.0

77.1

75.4

75.4

78.7

1:5

65.0

65.0

59.4

59.4

62.8

3:1

79.1

79.1

79.5

79.9

82.3

5:1

70.3

70.3

68.2

68.6

71.1