Low-value care practice in headache: a Spanish mixed methods research study

Table 2 Frequency with which the consensus “Do not Do” practices were implemented

Code	Numerator (N)	Denominator (N)	Indicator (%)	Range
NHC-01	53	3314	1.6	0–39.6
NHC-02	1136	3329	34.1	2.2–62.9
NHC-03	23	3329	0.7	0–8.3
NHC-04	694	3311	21.0	16.1–62.5
NHC-05	133	3326	4,0	0–58.2
NHC-06	635	3337	19,0	11–19.6
NHC-07	18	3361	0,5	0–8.8

Numerator: Number of patients with a certain diagnosis or condition who have received a treatment or procedure that they should not have received; cases of overuse defined by consensus of the expert group within a given time period. Denominator: The number of patients with a given diagnosis or condition who have been treated in the unit within a given time period

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