Skip to main content

Table 3 Comparison of patient-reported EBC, therapeutic relationship and resource distribution between risk groups

From: Evidence-based care in high- and low-risk groups following whiplash injury: a multi-centre inception cohort study

Variables

N

All participants

(n = 160)

Low risk

(n = 24)

Medium risk

(n = 79)

High risk

(n = 48)

P-values

Diagnosis received, n (%)

159

112 (70%)

12 (50%)

58 (74%)

33 (69%)

0.080

 WAD

 

59 (37%)

7 (58%)

29 (50%)

17 (52%)

 

 Other

 

53 (31%)

5 (42%)

29 (50%)

16 (49%)

0.871

Canadian Cervical Spine rule, n (%)

 Total x-rays required and received

152

109 (68%)

13 (59%)l*

52 (69%) l*

40 (87%)

0.026

 Total x-rays required and not received

152

30 (19%)

8 (36%)l*

14 (19%) l*

5 (11%)

0.042

 Total x-rays not required and received

152

6 (4%)

1 (5%)

5 (7%)

0 (0%)

0.206

 Total x-rays not required and not received

152

7 (4%)

0 (0%)

4 (5%)

1 (2%)

0.410

Total cases of Cervical Spine rule correctly applied

152

116 (73%)

13 (59%)

56 (75%)

41 (89%)*

0.018

Management of high – risk individuals

 Number referred, n (%)

159

45 (28%)

3 (13%)

22 (28%)

17 (36%)

0.124

 Time to referral, weeks, mean (SD)

40

4 (4)

2 (2)

4 (3)

5 (5)

0.477

 Referral appropriate, n (%)

144

30 (19%)

21 (88%)***

45 (60%)

16 (36%)

<  0.001

 Therapeutic relationship score (9–45/45), mean (SD)

131

40 (6)

38 (7) l*

42 (4) l*

39 (7)

0.031

 NDI sum score (0–50/50), mean (SD)

159

13 (11)

5 (7)****

10 (9)****

22 (10)****

<  0.001

 GPE (−5 to + 5), mean (SD)

158

3 (2)

4 (2)

3 (2)

1 (2)*

< 0.001

 Resources booklet received, n (%)

159

28 (17%)

2 (8%)

12 (15%)

8 (19%)

0.512

 Resources booklet received from, n (%)

29

     

  Insurer

 

6 (20%)

0 (0%)

2 (15%)

2 (22%)

 

  Health practitioner

 

11 (40%)

2 (67%)

3 (23%)

6 (67%)

 

  SIRA

 

9 (31%)

1 (33%)

6 (46%)

1 (11%)

 

  Other

 

3 (10%)

0 (0%)

2 (15%)

0 (0%)

0.295

WAD-Evidence tool score

(range − 85-165), mean (SD)

160

61 (28)

59 (17)

60 (28)

63 (32)

0.931

  1. Abbreviations: GPE Global perceived effect, NDI Neck Disability Index, SIRA State Insurance Regulatory Authority, WAD Whiplash associated disorder
  2. Post hoc significance: ****low vs. med vs. high; *high vs. low and med; ***low vs. med and high; l*low vs. medium. p <  0.05. NB. Percentage scores for ‘all participants’ are calculated as a percentage of the 160 participants completing interviews