Table 2.

Percentage of individuals and trend according to the periodontal condition−CPI Index—1986/2003/2010

Periodontal condition—CPI index
Variable	Year 1986 n = 4.798	Year 2003 n = 7.772	(2003–1986)	Trend (%) 2003–1986	Year 2010 n = 5.445	(2010–2003)	Trend (%) 2010–2003	(2010–1986)	Trend (%) 2010–1986
15–19 years					Value (CI 95 %)
Healthy	51.68	46.18	−5.5	−10.7	50.9 (45.4−56.4)	4.73	10.2	−0.78	−1.5
Bleeding	19.89	18.77	−1.1	−5.6	9.7 (7.5–12.3)	−9.07	−48.3	−10.19	−51.2
Calculus	23.10	33.40	10.3	44.6	28.4 (24.8–32.4)	−5	−15.0	5.30	22.9
Pocket 4–5 mm	2.14	1.19	−1.0	44.4	8.8 (6.9–11.3)	7.61	639.5	6.66	311.2
Pocket 6 mm and +	0.19	0.15	−0.04	−21.1	0.7 (0.3–1.2)	0.55	366.7	0.51	268.4
Excluded sextant	2.92	0.31	−2.6	−89.4	1.5 (0.9–2.4)	1.19	383.9	−1.42	−48.6

Source: Brazil. MS, 1986; MS, 2004, 2011