Table 6

NDI means and standard errors as a function of intervention





95% Confidence Interval





Intervention
Assessment
Mean
Std. Error
Lower Bound
Upper Bound

ENAR
Initial consultation
30.750
3.001
24.490
37.010

6 week follow-up
19.113
3.448
11.920
26.305

12 week follow-up
17.250
4.303
8.275
26.225

18 week follow-up
15.000
3.857
6.955
23.045

24 week follow-up
11.250
4.511
1.840
20.660

TENS
Initial consultation
20.286
3.208
13.594
26.978

6 week follow-up
19.714
3.686
12.025
27.404

12 week follow-up
21.143
4.600
11.548
30.738

18 week follow-up
26.571
4.123
17.971
35.172

24 week follow-up
22.857
4.823
12.797
32.917

SHAM
Initial consultation
30.500
3.001
24.240
36.760

6 week follow-up
21.500
3.448
14.307
28.693

12 week follow-up
27.625
4.303
18.650
36.600

18 week follow-up
26.500
3.857
18.455
34.545

24 week follow-up
29.375
4.511
19.965
38.785

Vitiello et al. Chiropractic & Osteopathy 2007 15:9   doi:10.1186/1746-1340-15-9