Table 4

Annualized Mean and Median Numbers of Visits per Health Care Provider for Low Back Pain during One-Year Follow-Up


FD group (n = 107)
EP group (n = 84)



Outcome measure
Mean
Median
Mean
Median
p-value1
p-value (non-parametric)

Any health care provider
2.2
0
6.0
1
0.005*
0.008**







General Practitioner/Internist
0.6
0
1.2
0
0.06
0.11
Chiropractor
0.9
0
2.7
0
0.13
0.21
Physical Therapist
0.1
0
0.3
0
0.92
0.97







Emergency Room
0.0
0
0.1
0


Orthopedic Surgeon
0.1
0
0.4
0


Massage Therapist
0.0
0
0.4
0


Acupuncturist
0.0
0
0.2
0


Napropath
0.0
0
0.1
0


Neurologist
0.0
0
0.0
0


Psychiatrist
0.1
0
0.0
0



* Treatment groups significantly different at p < 0.05 using regression analysis

**Treatment groups significantly different at p < 0.05 using Wilcoxon-Mann-Whitney test for non-parametric variables

1 Controlling for gender, presence of radiculopathy, and pain (VAS) at start of follow-up

Cambron et al. Chiropractic & Osteopathy 2006 14:19   doi:10.1186/1746-1340-14-19