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Table 4 Intrinsic factors of research studies affecting clinical decision making

From: CHAracteristics of research studies that iNfluence practice: a GEneral survey of Canadian orthopaedic Surgeons (CHANGES): a pilot survey

Item asked

No. (%) of respondents

The results of the following study designs have the potential to influence a change in my clinical practice (select all that apply to you):

Meta-Analysis

83 (87)

Systematic Review

81 (85)

Randomized Control Trial

94 (99)

Cohort Study

40 (42)

Case-Control Study

47 (50)

Cross-Sectional Study

21 (22)

Case Series

22 (23)

Case Report

9 (9.5)

Narrative Review

8 (8.4)

Editorial

11 (12)

For a study to influence my clinical practice it would require a sample size of (select all that apply to you):

11-50

24 (25)

51-100

45 (47)

101-500

64 (67)

501-1000

36 (38)

>1001

35 (37)

For a study to influence my clinical practice the results should report (select all that apply to you):

P Value

78 (82)

95% Confidence Interval

74 (78)

Relative Risk Reduction

48 (51)

Absolute Risk Reduction

36 (38)

Odds Ratio

37 (39)

Number Needed to Treat

17 (18)

Mean Difference

35 (37)

Minimally Important Difference

28 (30)

Sensitivity Analysis

14 (15)

Adjusted Analysis

4 (4.2)

None of the Above

42 (44)

The study design that has had the most profound impact on my practice in the last five years is (select all that apply to you):

Meta-Analysis

9 (9.5)

Systematic Review

80 (85)

Randomized Control Trial

14 (15)

Cohort Study

5 (5.3)

Case-Control Study

5 (5.3)

Cross-Sectional Study

2 (2.1)

Case Series

2 (2.1)

Case Report

5 (5.3)

Narrative Review

46 (49)

Editorial

0 (0)