Table 1 Data collection schedule. Measurement times and variables used in the study.

Week No.

0

1

2

3

4

5

6

7

8

9

24

Data provided by the patient

Pain intensity (VAS 100 mm)

X

X

X

Multidimensional pain evaluation (MPQ-SV)

X

X

X

Quality of life (SF-12)

X

X

X

Analgesics and antiinflammatory drugs prescribed

X

X

X

Sociodemographic variables

X

Credibility and expectations

X

Improvement perceived by the patient

X

Assessment of blinding effectiveness

X

Data provided by the therapist

Multidimensional pain evaluation (LT)

X

X

X

X

X

X

X

X

X

X

X

Auricular points used

X

X

X

X

X

X

X

X

X

Adverse events

X

X

X

X

X

X

X

X

X

Economic evaluation

Direct and indirect costs: healthcare professionals and patients

X

X

X