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Table 6 Logistic regression of clinical factors on likelihood of protracted recovery

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

Predictor variable

B

SE

Relative risk odds ratio

Exp (B)

(95% CI)

PCSS total

-0.03***

0.005

0.97 (0.96—0.98)

Average K-D test

-0.02

0.02

0.98 (0.95—1.01)

No history of concussion

0.72**

0.24

2.06 (1.28—3.29)

Sex—Male

0.24

0.24

1.27 (0.79—2.04)

DSI group 1

1.43***

0.35

4.16 (2.08—8.33)

DSI group 2

-0.31

0.26

1.37 (0.82—2.28)

DSI group 3

0a

  1. Nagelkerke Pseudo R2 = 0.18
  2. History of psychiatric diagnosis was removed from model in backward stepwise logistic regression due to non-significance
  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