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Table 1 Baseline characteristics of the MINT study population

From: Properties of patient-reported outcome measures in individuals following acute whiplash injury

 

Whole population (n = 3,851)

Complete responders (n = 1,006)

Non-complete responders (n = 2,845)

Age: mean (SD)

36.98 (13.42)

37.91 (12.44)

36.65 (13.74)

Sex:

   

 % male

1661/3851 (43.1%)

385/1006 (38.3%)

1276/2845 (44.9%)

 % female

2133/3851 (55.4%)

614/1006 (61.0%)

1519/2845 (53.4%)

Treatment group step 1:

   

 % usual care

1598/3851 (41.5%)

452/1006 (44.9%)

1146/2845 (40.3%)

 % active management

2253/3851 (58.5%)

554/1006 (55.1%)

1699/2845 (59.7%)

Treatment group step 2*:

   

 % advice

287/574 (50%)

103/198 (55.1%)

184/376 (48.9%)

 % physiotherapy

287/574 (50%)

95/198 (44.9%)

192/376 (51.1%)

Initial pain intensity: mean (SD)

5.13 (1.89)

4.79 (1.78)

5.25 (1.92)

WAD grade at presentation:

   

 % grade 1

2088/3851 (54.2%)

557/1006 (55.4%)

1531/2845 (53.8%)

 % grade 2

1659/3851 (43.1%)

424/1006 (42.1%)

1235/2845 (43.4%)

 % grade 3

104/3851 (2.7%)

25/1006 (2.5%)

79/2845 (2.8%)

  1. The percentages may not add up to 100% due to missing data. *The denominators are lower here as not all participants were randomised at step 2.