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Table 1

Comparison of neck pain patients undergoing chiropractic treatment with and without dizziness at baseline

 Dizziness Present (N = 177)Dizziness Absent (N = 226)P value
Gender: % Female
75%
58%
0.001
Percentage Smokers: Yes
27%
18%
0.04
Pain medication: Yes
28%
30%
0.74
Trauma onset: Yes
15%
19%
0.32
Duration of complaint: Acute =< 4 Wks
35%
38.%
0.71
Subacute = 4 – 12 Wks
19.%
19%
 
Chronic = > 12 Wks
46%
44%
 
General Health:
Good = 54%
Good = 61%
0.35
Average = 41%
Average = 35%
 
Poor = 5%
Poor = 4%
 
Previous Episodes:
 
 
 
None
43%
45%
0.65
1-3
15%
16%
 
4 or More
41%
39%
 
 
Mean (+/−SD) (N = 177)
Mean (+/−SD) (N = 226)
 
Age
41.3 (14.1)
42.9 (14.1)
0.28
Baseline Neck Pain NRS score (current)
6.3 (2.4)
5.7 (2.3)
0.011
Baseline Arm Pain NRS Score
2.9 (3.1)
1.8 (2.2)
0.0001
BQN 1 Pain (average past week)
6.0 (2.4)
5.6 (2.3)
0.052
BQN 2 Disability (ADL)
4.9 (3.0)
3.9 (2.7)
0.001
BQN 3 Disability (social activities)
4.2 (3.1)
3.2 (3.0)
0.002
BQN 4 Anxiety
6.3 (2.5)
5.2 (2.8)
0.0001
BQN 5 Depression
4.8 (3.1)
2.9 (3.0)
0.0001
BQN 6 Work, Fear Avoidance
5.4 (2.9)
4.2 (3.0)
0.0001
BQN 7 Locus of Control
5.4 (2.8)
4.7 (2.9)
0.03
BQN Total36.4 (15.6)29.9 (14.7)0.0001
NRS = numerical rating scale for pain. ADL = activities of daily living. SD = standard deviation. N = number of patients. WKs = Weeks.