Table 2.
Estimated number and percentage of current and former smokers aged 55–79 years eligible for low-dose CT lung cancer screening under different eligibility strategies in fifteen state capital cities in Brazil.
| Current smokers |
Former smokers |
|||
|---|---|---|---|---|
| Percentage (95%CI) | Population and 95%CI | Percentage and 95%CI | Population and 95%CI | |
| Pack-year strategy | ||||
| Sex | ||||
| Female | 39.9 (36.5–43.2) | 133,120 (119,437–146,804) | 10.3 (8.5–12.2) | 78,464 (64,374–92,554) |
| Male | 56.1 (52.1–60.1) | 182,941 (163,864–202,017) | 12.6 (10.4–14.8) | 117,722 (96,527–138,918) |
| Age | ||||
| 55–59 | 46.9 (42.5–51.3) | 124,468 (108,379–140,557) | 10.1 (7.3–12.8) | 50,180 (36,121–64,238) |
| 60–64 | 45.0 (40.3–49.7) | 80,003 (69,365–90,640) | 12.1 (9.3–14.9) | 60,700 (46,362–75,039) |
| 65–69 | 50.8 (44.2–57.4) | 58,275 (47,981–68,568) | 12.2 (9.5–14.9) | 36,078 (27,964–44,191) |
| 70–74 | 49.3 (41.8–56.9) | 34,442 (27,601–41,283) | 12.4 (9.1–15.7) | 27,476 (19,964–34,987) |
| 75–79 | 58.6 (48.5–68.7) | 18,873 (13,821–23,925) | 12.4 (8.4–16.5) | 21,753 (14,506–28,999) |
| Region | ||||
| Northeast | 44.9 (41.8–48.0) | 53,184 (48,477–57,891) | 10.4 (9.2–11.7) | 45,949 (40,229–51,668) |
| South | 46.6 (43.4–49.8) | 38,771 (35,212–42,330) | 11.9 (10.3–13.6) | 22,119 (18,994–25,245) |
| Southeast | 48.9 (45.2–52.5) | 224,106 (201,343–246,869) | 12.0 (9.6–14.4) | 1281,18 (102,096–154,141) |
| Risk-based strategy with fixed threshold | ||||
| Sex | ||||
| Female | 45.7 (42.4–49.0) | 152,733 (138,541–166,924) | 7.8 (6.6–9.0) | 59,306 (50,006–68,605) |
| Male | 60.5 (56.4–64.5) | 197,183 (179,352–215,014) | 11.8 (10.0–13.6) | 110,004 (92,817–127,191) |
| Age | ||||
| 55–59 | 19.4 (16.2–22.6) | 51,507 (42,347–60,667) | 0.7 (0.1–1.3) | 3,396 (361–6,432) |
| 60–64 | 48.0 (43.3–52.7) | 85,339 (74,370–96,309) | 3.9 (2.3–5.5) | 19,518 (11,629–27,408) |
| 65–69 | 96.8 (94.9–98.6) | 111,078 (97,974–124,181) | 11.2 (8.4–13.9) | 32,967 (24,593–41,342) |
| 70–74 | 99.9 (99.7–100) | 69,772 (60,115–79,428) | 22.3 (18.4–26.1) | 49,323 (40,292–58,353) |
| 75–79 | 100 (NA) | 32,220 (26,079–38,361) | 36.6 (30.6–42.5) | 64,105 (52,699–75,512) |
| Region | ||||
| Northeast | 54.6 (51.5–57.6) | 64,620 (59,801–69,440) | 9.4 (8.1–10.6) | 41,241 (35,623–46,859) |
| South | 50.0 (46.8–53.2) | 41,607 (38,147–45,067) | 10.6 (9.3–12.0) | 19,684 (17,107–22,260) |
| Southeast | 53.2 (49.6–56.7) | 243,688 (221,578–265,798) | 10.2 (8.5–11.8) | 108,385 (90,123–126,648) |
The state capital cities analyzed include: Aracaju, Fortaleza, Joao Pessoa, Maceió, Natal, Recife, Teresina, Salvador, Belo Horizonte, Vitoria, Rio de Janeiro, São Paulo, Curitiba, Florianópolis and Porto Alegre.