Table 1.
Category | Conventional case definition | Expanded case definition | Expanded and confirmed by medical record review | ||||||
---|---|---|---|---|---|---|---|---|---|
n (%) | Rate† | P ‡ | n (%) | Rate† | P ‡ | n (%) | Rate† | P ‡ | |
Total | 282 | 8.1 | 616 | 17.7 | 550 | 15.8 | |||
Sex | |||||||||
Female | 100 (35.5) | 5.6 | Ref. | 208 (33.8) | 11.7 | Ref. | 186 (33.8) | 10.4 | Ref. |
Male | 182 (64.5) | 10.8 | <0.001 | 408 (66.2) | 24.1 | <0.001 | 364 (66.2) | 21.5 | <0.001 |
Age, years | |||||||||
<45 | 37 (13.1) | 1.8 | <0.001 | 87 (14.2) | 4.1 | <0.001 | 80 (14.6) | 3.8 | <0.001 |
45–64 | 133 (47.2) | 15.0 | 0.0002 | 266 (43.3) | 30.0 | <0.001 | 242 (44.0) | 27.2 | <0.001 |
≥65 | 112 (39.7) | 23.9 | Ref. | 261 (42.5) | 55.6 | Ref. | 228 (41.5) | 48.6 | Ref. |
Year of birth | |||||||||
Born before 1945 | 147 (52.1) | 23.5 | Ref. | 325 (52.9) | 51.9 | Ref. | 289 (52.6) | 46.1 | Ref. |
Born during 1945–1965 | 127 (45.0) | 11.7 | <0.001 | 265 (43.2) | 24.4 | <0.001 | 238 (43.3) | 22.0 | <0.001 |
Born after 1965 | 8 (2.8) | 0.5 | <0.001 | 24 (3.9) | 1.4 | <0.001 | 23 (4.2) | 1.3 | <0.001 |
Race/ethnicity | |||||||||
White, NH | 228 (80.9) | 8.6 | Ref. | 474 (77.0) | 18.0 | Ref. | 427 (77.6) | 16.2 | Ref. |
Black, NH | 22 (7.8) | 7.0 | 0.33 | 67 (10.9) | 21.2 | 0.21 | 56 (10.2) | 17.7 | 0.53 |
Hispanic | 29 (10.3) | 7.9 | 0.63 | 68 (11.0) | 18.4 | 0.85 | 61 (11.1) | 16.5 | 0.88 |
Asian/Pacific Islander, NH | 3 (1.1) | 2.9 | 0.04 | 7 (1.1) | 6.7 | 0.01 | 6 (1.1) | 5.7 | 0.01 |
Place of birth | |||||||||
Non-US | 43 (15.3) | 8.6 | 0.81 | 106 (17.3) | 21.1 | 0.09 | 94 (17.2) | 18.7 | 0.12 |
US | 238 (84.7) | 8.2 | Ref. | 508 (82.7) | 17.6 | Ref. | 454 (82.9) | 15.7 | Ref. |
Per 100 000 population.
Pearson χ2-test for differences in mortality rates.
Missing values were not included in calculations.
CLD, chronic liver disease; NH, non-Hispanic.