Skip to main content

Table 2 Chi-squared analysis of Cochrane status by individual item scores

From: Applicable or non-applicable: investigations of clinical heterogeneity in systematic reviews

 

N, % = yes (Cochrane)

N, % = yes

(Non-Cochrane)

p value

Review team

1 (1.0)

5 (5.1)

0.091

Quantitative synthesis

63 (63.0)

81 (81.8)

0.0030

CH variables

90 (90.0)

80 (80.8)

0.066

Planned CH exploration

89 (89.0)

73 (73.7)

0.0057

A priori vs. post-hoc

11 (11.0)

34 (34.3)

<0.0001

Parsimony

65 (65.0)

93 (93.9)

<0.0001

CH not investigated

56 (56.0)

29 (29.3)

0.0001

Outliers/sensitivity

40 (40.0)

50 (50.5)

0.14

Proper reporting

84 (84.0)

42 (42.4)

<0.0001

Statistical hetero-geneity (SH)

74 (74.0)

85 (85.9)

0.037

SH used for investigating CH

2 (2.0)

2 (2.0)

0.38

Plots/visual aids

20 (20.0)

11 (11.1)

0.084

Cautious inferences

68 (68.0)

86 (86.9)

0.0015

Reporting as limitation

30 (30.0)

22 (22.2)

0.20

  1. CH clinical heterogeneity
  2. Bolded p value indicates significance