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Table 2

Characteristics and clinical findings of patients at baseline

CharacteristicsStudy cohort
n = 1150
Excluded cohort
n = 163
n (%)Mean (SD)n (%)Mean (SD)
Age Mean (SD) [range 18–85]44 (13)41 (14)
Females847 (74)121 (75)
Radiating pain859 (76)127 (79)
Headache810 (72)126 (78)
Concomitant low back pain602 (53)91 (56)
Number of previous NP episodes
0161 (14)25 (15)
1–2197 (17)24 (15)
≥3791 (69)113 (70)
First-time consultation with chiropractor186 (17)35 (23)
Duration of NP
< 1 month263 (23)35 (21)
1–3 months161 (14)30 (19)
> 3 months710 (63)97 (60)
Baseline intensity of NP (NRS 0–10)4.1 (2.3)4.5 (2.1)
Disability - NDI (0–50)12 (6.7)16 (6.6)
Psychosocial screening - ÖMPQ (0–100)39 (16)44 (15)
Psychological distress - HSCL-10 (1–4)1.6 (0.5)1.7 (0.5)
General health (VAS 0–100)71 (19)69 (21)
SD = Standard Deviation,
NP = Neck pain,
NRS = Numeric rating scale,
NDI = Neck Disability Index,
ÖMPQ = Örebro Musculoskeletal Pain Questionnaire,
HSCL-10 = Hopkins Symptom Checklist-10