. 2016 Dec 1;50(Suppl 2):7s. doi: 10.1590/S1518-8787.2016050006118

Table 2. Groups of the ATC ^a classification more used by adults and older adults for the treatment of chronic diseases according to funding source of the medicines (free of charge or paid of out-of-pocket). PNAUM, Brazil, 2014.

ATC classification levels 1 and 2	Funding source of the medicine

	% paid^b	95%CI	% free^b	95%CI
A: Digestive apparatus and metabolism
A10 Medicine used for diabetes	21.4	18.7–24.4	78.6	75.6–81.3
C: Cardiovascular system
C01 Cardiac therapy	56.2	49.5–62.6	43.8	37.4–50.5
C02 Antihypertensives	50.4	41.7–59.1	49.6	40.9–58.3
C03 Diuretics	22.0	19.5–24.8	78.0	75.2–80.5
C07 Beta-blockers	37.3	34.2–40.6	62.7	59.4–65.8
C0 Calcium channel blockers	41.4	36.3–46.7	58.6	53.3–63.7
C09 Agents acting on the renin-angiotensin system	26.6	24.2–29.2	73.4	70.8–75.8
C10 Lipids modifier agents	44.6	40.7–48.6	55.4	51.4–59.3
N: Nervous system
N06 Psychoanaleptics	41.5	37.5–45.6	58.5	54.4–62.5
N03 Antiepileptics	41.2	36.0–46.7	58.8	53.3–64.0
N05 Psycholeptics	45.3	39.1–51.6	54.7	48.4–60.9
N04 Antiparkinson	26.4	17.2–38.2	73.6	61.8–82.8
R: Respiratory system
R03 Agents against airway obstructive diseases	60.0	52.7–66.9	40.0	33.1–47.3
R06 Antihistamines for systemic use	56.6	43.3–69.1	43.4	30.9–56.7

ATC: Anatomical Therapeutic Chemical classification system

^a ATC levels 1 and 2.

^b Percentages adjusted by sample weights and post-stratification according to age and sex.

Table 2. Groups of the ATC a classification more used by adults and older adults for the treatment of chronic diseases according to funding source of the medicines (free of charge or paid of out-of-pocket). PNAUM, Brazil, 2014.