Study variables - S.E.F.O.

1st DEPENDENT VARIABLES

Pain (analogue scale), other types of measurements (X-rays, goniometry, algometry, Doppler, MRI, etc).
Number of treatments.
Types of techniques.

2nd INDEPENDENT VARIABLES

These are the characteristics of the patient.

Presence of lesion: category variable (Present/Absent).

DATA COLLECTION TABLE

Independent variables ( or which condition the result)
	Name of variable	Abbreviation	Type of variable	Measuring instrument	Values which can be taken	When to obtain
		(up to 8 characters)	Numerical, ordinal qualitative, not ordinal qualitative	(Indicate if manual exam, apparatus, questionnaire…)	In qualitatives, give code here
Examples	Age	Age	Numerical	Anamnesis	0-120	First visit
	Sex	Sex	Not ordinal qualitative	Anamnesis	1= man 2= woman	First visit
	Intensity initial lumbar pain	Lum_Pai1	Numerical	Visual analogue scale	0 – 10	First visit (pre-treatment)
	Intensity post-treatment lumbar pain	Lum_Paip	Numerical	Visual analogue scale	0 – 10	First visit (post-treatment)
	Mitchell test right	Mitch_r	Qualitative	Manual exam.	0= normal 1=block arm > 2=block arm < 3=block both	First visit

Dependent variables ( or result )
	Name of variables	Abbreviation	Type of variable	Measuring instrument	Values which can be taken	When to obtain
		(up to 8 characters)	Numerical, ordinal qualitative, not ordinal qualitative	(Indicate if manual exam, apparatus, questionnaire..)	In qualitative, give code here
Examples	Intensity post-treatment lumbar pain	Lum_paip	Numerical	Visual analogue scale	0 – 10	First visit (post-treatment)
	Lasègue Test post-treatment	Las_pos	Ordinal qualitative	Manual exam.	0= negative 1= positive	Visit 3 weeks