Table 1.
Lung Cancer Screening Rates in the United States by State, 2019 and 2020a
| Variable | 2019 |
2020 |
|---|---|---|
| % (95% CI) | % (95% CI) | |
| US Total | 6.6 (6.5-7.4) | 6.5 (6.4-7.3) |
| State | ||
| Alabama | 7.1 (7.0-8.3) | 6.3 (6.2-7.4) |
| Alaska | 7.1 (7.0-8.8) | 6.8 (6.7-8.5) |
| Arizona | 2.5 (2.4-2.9) | 2.5 (2.4-2.9) |
| Arkansas | 4.3 (4.3-5.0) | 4.2 (4.1-4.8) |
| California | 1.4 (1.4-1.6) | 1.1 (1.1-1.3) |
| Colorado | 3.6 (3.5-4.2) | 3.7 (3.7-4.3) |
| Connecticut | 8.5 (8.4-9.9) | 8.3 (8.2-9.6) |
| Delaware | 9.9 (9.7-11.8) | 9.8 (9.7-12.0) |
| District of Columbia | …b | 4.4 (4.4-5.6) |
| Florida | 3.7 (3.7-4.3) | 3.5 (3.4-4.1) |
| Georgia | 6.4 (6.4-7.5) | 6.3 (6.2-7.3) |
| Hawaii | 4.4 (4.3-5.1) | 3.3 (3.2-3.8) |
| Idaho | 8.9 (8.8-10.6) | 8.8 (8.6-10.5) |
| Illinois | 7.1 (7.1-8.4) | 7.3 (7.2-8.6) |
| Indiana | 8.2 (8.1-9.4) | 7.9 (7.8-9.1) |
| Iowa | 11.7 (11.5-13.4) | 12.2 (12.0-14.1) |
| Kansas | 9.5 (9.4-10.9) | 9.0 (8.9-10.3) |
| Kentucky | 14.6 (14.5-17.2) | 17.7 (17.4-21.1) |
| Louisiana | 3.3 (3.3-3.9) | 3.8 (3.8-4.5) |
| Maine | 11.0 (10.8-12.6) | 13.9 (13.7-16.1) |
| Maryland | 9.2 (9.1-10.6) | 7.1 (7.0-8.1) |
| Massachusetts | 20.5 (20.3-23.8) | 19.7 (19.5-22.8) |
| Michigan | 10.4 (10.3-12.0) | 9.4 (9.3-10.9) |
| Minnesota | 8.9 (8.8-10.2) | 8.0 (7.9-9.2) |
| Mississippi | 6.1 (6.1-7.2) | 6.7 (6.6-7.9) |
| Missouri | 8.2 (8.1-9.5) | 8.8 (8.7-10.3) |
| Montana | 8.2 (8.1-9.6) | 7.4 (7.3-8.6) |
| Nebraska | 6.2 (6.1-7.1) | 5.8 (5.7-6.6) |
| Nevada | 1.2 (1.2-1.5) | 1.7 (1.7-2.1) |
| New Hampshire | 13.2 (13.1-15.5) | 13.4 (13.3-15.7) |
| New Jersey | 3.5 (3.5-4.4) | 3.3 (3.2-4.1) |
| New Mexico | 1.7 (1.7-2.1) | 1.9 (1.9-2.2) |
| New York | 6.5 (6.5-7.5) | 6.6 (6.5-7.6) |
| North Carolina | 8.9 (8.8-10.5) | 9.4 (9.3-11.0) |
| North Dakota | 12.7 (12.5-14.6) | 13.3 (13.1-15.4) |
| Ohio | 8.0 (7.9-9.2) | 8.3 (8.2-9.5) |
| Oklahoma | 2.0 (2.0-2.3) | 2.1 (2.1-2.4) |
| Oregon | 8.5 (8.5-10.1) | 9.1 (9.0-10.8) |
| Pennsylvania | 9.2 (9.1-10.7) | 9.0 (8.9-10.4) |
| Rhode Island | 12.2 (12.0-14.5) | 7.1 (7.0-8.5) |
| South Carolina | 6.3 (6.2-7.3) | 7.2 (7.1-8.3) |
| South Dakota | 11.0 (10.8-13.5) | 11.2 (11.0-13.7) |
| Tennessee | 7.2 (7.1-8.4) | 7.5 (7.4-8.8) |
| Texas | 2.6 (2.6-3.1) | 2.2 (2.1-2.5) |
| Utah | 4.0 (4.0-4.5) | 1.9 (1.9-2.2) |
| Vermont | 14.8 (14.6-17.6) | 11.2 (11.1-13.3) |
| Virginia | 8.5 (8.4-9.7) | 8.7 (8.6-10.2) |
| Washington | 7.0 (7.0-8.2) | 7.6 (7.5-8.9) |
| West Virginia | 3.6 (3.6-4.3) | 5.0 (5.0-5.9) |
| Wisconsin | 11.9 (11.7-14.1) | 11.6 (11.4-13.8) |
| Wyoming | …b | …b |
The following formulas were used to compute lung cancer screening (LCS) rates and are described elsewhere.5 Population-survey and detailed census data for 2020 have not yet been released, so 2019 data were relied on to compute 2019 and 2020 denominators (ie, eligible population). The numerator (number of low-dose CT scans) were based on 2019 and 2020 Lung Cancer Screening Registry data. The 95% CIs were computed with bootstrap sampling with 1,000 replicates and accounted for the variation in smoking behavior.
Formula 1:
Formula 2: EligiblePops,y = CensusPops,y × ((P(Elig/Currentn,2015) × P(Currents,y) + (P(Elig/Formern,2015) × P(Formers,y))Where: LDCT Scan = number of low-dose CT scans from 2019-2020 LCSR data; EligiblePop = population eligible for low-dose CT scanning; s = state (Alabama…Wyoming); n = national; y = year (2019,2020); 2015 = year 2015; p = probability; CensusPop = number of adults 55 to 80 years old in 2019 US Census data; Elig = eligible from 2015 National Health Interview Survey; Current = current smoker from 2019 Behavioral Risk Factor Surveillance System; Former = former smoker from 2019 Behavioral Risk Factor Surveillance System; 2019 = year 2019; 2020 = year 2020;
Lung cancer screening rates not available. Data on the number of low-dose CT scans were suppressed in lung cancer screening registry reports.