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Table 5 Results from a general linear model (GLM) regression analysis examining the relationships between clinical factors with recovery time in days

From: Association between days for concussion recovery and initial specialty clinic evaluation within 48 hours

Predictor variable

B

SE

p-value

95% CI

ηp2

No psychiatric diagnosis

0.5

1.07

0.65

-1.61—2.60

 < 0.001

No history of concussion

-1.97

0.77

0.01**

-3.48—-0.45

0.01

No history of migraine

1.88

1.52

0.22

-1.10—4.86

0.002

No neurodevelopmental diagnosis

0.75

0.93

0.42

-1.08—2.57

0.001

Sex—Male

-1.49

0.72

0.04*

-2.90—-0.08

0.007

DSI group 1

-3.99

0.9

 < 0.001***

-5.76—-2.22

0.03

DSI group 2

-1.49

0.82

0.07

-3.10—0.12

0.005

DSI group 3

0a

    

Race

 White

1.14

0.93

0.22

-0.68—2.97

0.002

 Black

1.51

1.48

0.31

-1.39—4.42

0.002

 Asian

1.45

2.78

0.6

-4.02—6.92

 < 0.001

Native Hawaiian/Pacific Islander

-

-

-

-

-

 Multiracial/Other

0.36

2.13

0.87

-3.82—4.54

 < 0.001

 Unknown

0a

    

Ethnicity—Hispanic

1.43

1.22

0.24

-0.97—3.83

0.002

Average K-D test

0.13

0.06

0.02*

0.02—0.24

0.008

Trails B-A

0.002

0.02

0.94

-0.04—0.05

 < 0.001

Overall VOMS change score

0.04

0.02

0.08

-0.01—0.09

0.005

Age

-0.11

0.23

0.62

-0.56—0.34

 < 0.001

PCSS total

0.12

0.02

 < 0.001***

0.08—0.16

0.06

  1. a = this parameter is set to zero because it is redundant, R2 = 0.095 (Adjusted R2 = 0.089)
  2. Native Hawaiian/Pacific Islander was not included in the parameter estimates as there was only 1 individual
  3. n = 856
  4. areference category
  5. *values significant at p < 0.05
  6. **values significant at p < 0.01
  7. ***values significant at p < 0.001