Table 1 Systematic reviews included

Li et al. 2013 [12]

Not mentioned

To evaluate the relationship of MRI signal changes of alar and transverse ligaments and whiplash-associated disorders

PubMed, Embase, Cochrane Library

6

622

Daenen et al. 2013 [13]

To October 2011

To explore cervical motor dysfunctions in acute whiplash-associated disorders/to evaluate their course and assess their predictive value for long-term recovery

PubMed and Web of Science

10

1416

Walton et al. 2009 [14] and 2013 [15]

To May 2007 (then to May 2012)

To assess risk factors for persistent problems following whiplash after a motor vehicle accident

MEDLINE, CINAHL, PsycINFO, Embase

11 (then adding 4)

3193 (then adding 1121)

Spearing et al. 2012 [16]

To April 2010

To examine the evidence on the compensation hypothesis in relation to compensatable whiplash injuries

MEDLINE/PubMed, CINAHL, Embase, PEDro, PsycINFO, CCTR, Lexis, EconLit

11

4218

Goldsmith et al. 2012 [17]

To September 2011

To assess whether cold hyperalgesia is a prognostic factor for long-term pain or disability in acute whiplash injury

PubMed-MEDLINE, OVID-MEDLINE, OVID-Embase, OVID-PsycINFO

6

443

Carroll et al. 2008 [18]

1980–2006

To gather the best evidence on neck pain and associated disorders

MEDLINE

29

28,045

Kamper et al. 2008 [19]

To April 2007

To outline the course of recovery, pain and disability symptoms/to evaluate the influence of different prognostic factors on outcome

MEDLINE, Cochrane Database of Systematic Reviews, ACP Journal club, DARE, PsycINFO, Embase

38

19,906

Williamson et al. 2008 [20]

To August 2006

To review the prognostic value of psychological factors in the development of late whiplash syndrome

PubMed, MEDLINE, CINAHL, Embase and PsycINFO

17

2148

Williams et al. 2007 [21]

To August 2006

To review evidence concerning physical prognostic factors for development of late whiplash syndrome

PubMed, MEDLINE, CINAHL, Embase, PsycINFO

26

4261

Scholten-Peeters et al. 2003 [22]

To April 2002

To evaluate prognostic factors associated with functional recovery of patients with whiplash injuries

MEDLINE, Embase, CINAHL, the database of the Dutch Institute of Allied Health Professions

29

18,340

Cote et al. 2001 [23]

1995–2000

To review prognosis of whiplash

MEDLINE (1966 to September 2000), CINAHL (1982 to July 2000), Embase (1980 to January 1999), and Healthstar (1975 to September 2000).

13

15,822