Table 4 Interaction index, VPI, completeness score, and reliability scores by search term

Interaction index

0.75 ± 0.58

1.45 ± 1.52

0.022^*

VPI

747.2 ± 2727.8

1943.4 ± 9688.5

0.470

 Etiology

0.84 ± 0.84

0.33 ± 0.71

0.001^*

 Anatomy

0.86 ± 0.81

0.84 ± 0.71

1.000

 Symptoms

0.58 ± 0.70

0.33 ± 0.64

0.044^*

 Procedure

1.14 ± 0.73

1.53 ± 0.59

0.007^*

 Postoperative course

0.52 ± 0.61

0.40 ± 0.58

0.308

 Prognosis

0.38 ± 0.49

0.20 ± 0.41

0.056

 Total (max. = 12)

4.32 ± 2.54

3.64 ± 2.07

0.246

Modified DISCERN

1.94 ± 1.24

2.18 ± 1.09

0.333

JAMA

2.54 ± 0.81

2.76 ± 0.74

0.154

GQS

2.88 ± 0.77

2.93 ± 0.69

0.759