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. 2020 Oct 22;159(4):1460–1472. doi: 10.1016/j.chest.2020.10.042

Table 2.

Age-Adjusted Mortality Rates for ARF-Related and ARDS-Related Mortality Stratified by Demographic Subgroups

Variable Age-Adjusted Mortality Rate per 100,000 People (95% CI)
Annual Percentage Change (95% CI) P Value
2014 2015 2016 2017 2018
Overall
 ARF 74.9 (74.6-75.2) 78.8 (78.5-79.1) 80.8 (80.5-81.1) 84.6 (84.3-84.9) 85.6 (85.3-85.9) 3.4 (2.2-4.6) .003
 ARDS 3.2 (3.2-3.3) 2.9 (2.8-2.9) 3.2 (3.1-3.2) 3.0 (2.9-3.0) 3.0 (3.0-3.1) −0.9 (−5.4 to 3.8) .56
Sex
 ARF
 Male 86.9 (86.4-87.4) 91.3 (90.8-91.7) 93.4 (92.9-93.8) 97.4 (96.9-97.9) 98.7 (98.3-99.3) 3.2 (2.2-4.3) .002
 Female 66.0 (65.7-66.4) 69.5 (69.1-69.8) 71.2 (70.9-71.6) 74.9 (74.5-75.3) 75.5 (75.2-75.9) 3.5 (2.2-4.8) .004
 ARDS
 Male 2.3 (2.3-2.4) 3.4 (3.3-3.5) 3.6 (3.5-3.7) 3.4 (3.4-3.5) 3.4 (3.3-3.5) 5.6 (−8.8 to 22.3) .32
 Female 2.3 (2.3-2.4) 2.5 (2.5-2.6) 2.8 (2.7-2.9) 2.6 (2.6-2.7) 2.8 (2.7-2.8) 3.2 (−2.2 to 8.9) .16
Age Group, y
 ARF
 ≤ 24 2.3 (2.2-2.4) 2.3 (2.2-2.4) 2.6 (2.5-2.7) 2.4 (2.3-2.5) 2.5 (2.4-2.6) 2.5 (−1.2 to 6.2) .13
 25-44 8.2 (8.0-9.4) 8.3 (8.1-8.5) 9.2 (9.0-9.4) 9.3 (9.1-9.5) 9.8 (9.6-10.0) 4.6 (2.2-7.1) .009
 45-64 58.3 (57.8-58.9) 60.1 (59.6-60.6) 63.7 (63.2-64.3) 65.5 (64.9-66.0) 67.1 (66.5-67.6) 3.7 (2.6-4.9) .002
 ≥ 65 431.7 (429.8-433.7) 457.7 (455.7-459.6) 463.3 (461.4-465.3) 489.1 (487.1-491.0) 492.2 (490.2-494.1) 3.3 (1.7-4.9) .007
 ARDS
 ≤ 24 0.3 (0.3-0.4) 0.3 (0.3-0.3) 0.4 (0.3-0.4) 0.3 (0.3-0. .3) 0.3 (0.3-0.4) 1.0 (−6.9 to 9.6) .73
 25-44 1.3 (1.2-1.3) 1.0 (0.9-1.1) 1.2 (1.1-1.2) 1.1 (1.0-1.2) 1.2 (1.1-1.3) −1.0 (−10.0 to 9.0) .77
 45-64 4.8 (4.7-4.9) 3.9 (3.8-4.1) 4.6 (4.5-4.7) 4.1 (4.0-4.3) 4.3 (4.2-4.5) −1.7 (−9.9 to 7.3) .58
 ≥ 65 11.5 (11.2-11.8) 11.3 (11.0-11.7) 11.7 (11.3-12.0) 11.5 (11.2-11.8) 11.1 (10.8-11.4) −0.60 (−2.6 to 1.4) .41
Race or ethnicity
 ARF
 NH White 75.7 (75.4-76.0) 80.0 (79.6-80.3) 81.8 (81.5-82.2) 86.1 (85.7-86.4) 87.1 (86.8-87.5) 3.6 (2.3-4.9) .003
 NH Black 86.2 (85.1-87.2) 89.3 (88.2-90.3) 93.0 (92.0-94.1) 95.6 (94.6-96.7) 97.4 (96.4-98.5) 3.2 (2.3-4.0) .001
 NH Asian/Pacific Islander 47.1 (46.0-48.2) 48.6 (47.5-49.7) 48.7 (47.6-49.8) 50.7 (49.6-51.7) 50.6 (49.6-51.7) 1.9 (0.8-3.0) .01
 NH American Indian/Alaska Native 82.0 (77.8-86.1) 89.2 (85.0-93.4) 88.6 (84.5-92.7) 90.8 (86.7-94.8) 90.0 (86.1-93.9) 1.9 (−1.0 to 4.9) .12
 Hispanic 63.3 (62.4-64.3) 64.8. (63.8-65.7) 68.4 (67.5-69.4) 71.4 (70.4-72.3) 72.7 (71.7-73.6) 3.8 (2.6-5.0) .002
 ARDS
 NH White 3.2 (3.1-3.2) 2.8 (2.7-2.9) 3.1 (3.0-3.2) 2.9 (2.8-3.0) 3.0 (2.9-3.0) −1.2 (−6.2 to 4.2) .53
 NH Black 3.7 (3.5-3.9) 3.4 (3.3-3.6) 3.7 (3.5-3.9) 3.6 (3.4-3.8) 3.7 (3.5-3.9) 0.3 (−2.8 to 3.6) .76
 NH Asian/Pacific Islander 2.6 (2.4-2.9) 2.6 (2.3-2.8) 2.5 (2.3-2.8) 2.6 (2.4-2.8) 2.5 (2.3-2.7) −0.9 (−2.7 to 1.0) .22
 NH American Indian/Alaska Native 6.9 (5.8-8.0) 6.1 (5.1-7.0) 5.6 (4.6-6.5) 5.6 (4.7-6.6) 5.7 (4.8-6.6) −4.3 (−9.6 to 1.4) .09
 Hispanic 3.1 (2.9-3.3) 2.8 (2.6-2.9) 3.2 (3.0-3.4) 3.1 (2.9-3.3) 2.9 (2.8-3.1) 0.1 (−6.3 to 7.0) .96
Urbanization
 ARF
 Nonmetropolitan 82.6 (81.8-83.3) 87.6 (86.8-88.4) 91.1 (90.3-91.9) 95.8 (95.0-96.6) 97.4 (96.6-98.1) 4.2 (2.8-5.6) .002
 Metropolitan 73.4 (73.1-73.7) 77.1 (76.8-77.4) 78.8 (78.5-79.1) 82.5 (82.2-82.8) 83.4 (83.1-83.7) 3.2 (2.1-4.4) .003
 ARDS
 Nonmetropolitan 4.1 (3.9-4.2) 3.4 (3.3-3.6) 3.9 (3.7-4.1) 3.5 (3.3-3.6) 3.7 (3.5-3.8) −2.0 (−9.0 to 5.6) .45
 Metropolitan 3.1 (3.0-3.1) 2.8 (2.7-2.9) 3.0 (3.0-3.1) 2.9 (2.8-3.0) 2.9 (2.8-3.0) −0.7 (−4.6 to 3.5) .64
Region
 ARF
 Northeast 75.2 (74.5-75.9) 79.7 (79.0-80.4) 79.2 (78.5-79.9) 82.9 (82.3-83.6) 84.2 (83.5-84.9) 2.7 (1.1-4.3) .01
 Midwest 68.3 (67.7-68.9) 73.3 (72.7-73.9) 75.2 (74.6-75.8) 78.8 (78.2-79.4) 80.9 (80.3-81.6) 4.2 (2.8-5.5) .002
 South 80.7 (80.2-81.2) 82.9 (82.4-83.4) 85.6 (85.1-86.1) 89.9 (89.4-90.4) 91.3 (90.8-91.8) 3.3 (2.4-4.2) .001
 West 71.2 (70.5-71.8) 76.1 (75.4-76.7) 79.1 (78.5-79.7) 82.3 (81.7-83.0) 81.2 (80.6-81.8) 3.4 (0.7-6.2) .03
 ARDS
 Northeast 2.7 (2.6-2.8) 2.4 (2.3-2.6) 2.7 (2.6-2.9) 2.6 (2.4-2.7) 2.6 (2.5-2.7) −0.4 (−5.1 to 4.5) .80
 Midwest 3.1 (2.9-3.2) 2.8 (2.7-2.9) 3.0 (2.9-3.1) 2.7 (2.6-2.8) 2.8 (2.7-3.0) −1.8 (−6.0 to 2.6) .28
 South 2.3 (2.3-2.4) 3.1 (3.0-3.2) 3.5 (3.4-3.6) 3.3 (3.2-3.4) 3.3 (3.2-3.4) 6.6 (−5.5 to 20.2) .19
 West 2.3 (2.3-2.4) 2.9 (2.7-3.0) 3.2 (3.1-3.3) 3.1 (2.9-3.2) 3.0 (2.9-3.1) 6.3 (−3.1 to 16.6) .13

ARF = acute respiratory failure; NH = non-Hispanic.