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Table 6 Univariate Logistic Regression Model Results

From: When patients and surgeons disagree about surgical outcome: investigating patient factors and chart note communication

Variable

Odds Ratio

Std. Err.

z

P > |z|

95 % Conf. Interval

n

Pseudo r2

Demographics

 Age

1.00

0.01

−0.36

0.72

0.97

1.02

139

0.00

 Gender

1.02

0.40

0.06

0.96

0.48

2.18

140

0.00

 Education

0.76

0.11

−1.85

0.064

0.57

1.02

132

0.02

 Comorbidities

1.24

0.43

0.62

0.54

0.63

2.46

85

0.00

 Daily Occupation (e.g., employed, student, homemaker)

0.94

0.37

−0.17

0.87

0.43

2.02

141

0.00

 Having No Work Incentive

3.38

1.64

2.51

0.012

1.31

8.73

96

0.05

 Narcotic Usage

1.29

0.59

0.55

0.58

0.53

3.14

91

0.00

  Smoking

1.59

0.41

1.78

0.075

0.96

2.63

137

0.02

Patient-Reported

 VAS Back Change

1.01

0.01

1.87

0.062

1.00

1.03

107

0.03

 VAS Leg Change

1.04

0.01

4.34

0.0001

1.02

1.06

106

0.21

 MCS Change

0.94

0.02

−3.14

0.0020

0.91

0.98

113

0.08

 PCS Change

0.92

0.03

−3.1

0.0020

0.87

0.97

113

0.08

 ODI Change

1.10

0.03

3.51

0.0001

1.04

1.16

92

0.13

Clinical Chart Notes

 Activities Daily Living

0.68

0.24

−1.09

0.28

0.33

1.37

171

0.01

 All Physical Activity

1.34

0.49

0.79

0.43

0.65

2.75

171

0.00

 Assistive Devices

 

AssistiveDevicesBin ! = 0 predicts failure perfectly

   

 Positive Emphasis

0.14

0.06

−4.81

0.0001

0.062

0.31

171

0.14

 Negative Emphasis

1.30

0.81

0.42

0.68

0.38

4.38

171

0.00

 Much Emphasis

2.14

0.92

1.77

0.077

0.92

4.99

171

0.02

 Semphasis

0.53

0.28

−1.21

0.23

0.19

1.48

171

0.01

 All Emphasis

0.19

0.08

−4.18

0.0001

0.088

0.41

171

0.09

 All Juxtaposition

2.06

0.76

1.98

0.048

1.01

4.23

171

0.02

 All Physical Therapy

1.66

0.67

1.24

0.22

0.74

3.68

171

0.01

 All Analgesics

3.14

1.74

2.07

0.038

1.06

9.28

171

0.02

 Work

1.00

0.51

0

1.00

0.37

2.70

171

0.00

 Pain

1.21

0.52

0.44

0.66

0.52

2.80

171

0.00

 Numbness

0.48

0.27

−1.29

0.20

0.16

1.47

171

0.01

 Discomfort

4.94

2.68

2.95

0.0030

1.71

14.29

171

0.05

 Short Follow-up

1.21

0.44

0.53

0.60

0.59

2.46

171

0.00

 Quantified

1.18

0.50

0.38

0.70

0.51

2.69

171

0.00

 Prognosis

5.67

2.52

3.91

0.0001

2.38

13.54

171

0.08

 Follow-up as necessary

0.10

0.10

−2.22

0.026

0.013

0.76

171

0.05

 Incision

1.12

0.40

0.32

0.75

0.56

2.27

171

0.00

 ImproveStemmed

2.02

0.75

1.91

0.056

0.98

4.17

171

0.02

 Happy

0.20

0.13

−2.57

0.01

0.058

0.68

171

0.05

 Encouraged

1.47

0.61

0.92

0.36

0.65

3.31

171

0.00

 DenyStemmed

1.20

0.85

0.26

0.79

0.30

4.77

171

0.00

 Danger Words

 

DangerWordsBi n omitted because of collinearity

   

 Causal

1.06

0.89

0.07

0.95

0.21

5.47

171

0.00

 Medium Follow-up

0.91

0.43

−0.2

0.84

0.36

2.30

171

0.00

 No further follow-up

5.05

4.71

1.74

0.082

0.81

31.35

171

0.02

 Moving goal post

3.28

3.34

1.17

0.24

0.45

24.07

171

0.01

 Patient Non Pronoun

 

PatientNonPronounFinalBin ! = 1 predicts failure perfectly

  

 Action Plan

1.62

0.64

1.21

0.23

0.74

3.52

171

0.01