Table 3.
Vaccine effectiveness against COVID-19-related outcomes and mortality among individuals with different vaccination status stratified by number of morbidities
| 1 dose only |
2 doses only |
3 doses |
||||||
|---|---|---|---|---|---|---|---|---|
| BNT162b2 | CoronaVac | All BNT162b2 | All CoronaVac | All BNT162b2 | All CoronaVac | B-B-C | C-C-B | |
| COVID-19 infection | ||||||||
| MM = 2 | 27.4 (23.0–31.5) | −11.1 (−15.0 to −7.3) | 18.8 (16.1–21.5) | −8.0 (−11.2 to −4.9) | 52.2 (50.1–54.3) | 17.5 (14.3–20.5) | 22.3 (−4.8 to 42.4) | 40.0 (36.2–43.5) |
| MM = 3 | 35.6 (27.4–42.9) | 5.9 (−0.5 to 11.8) | 37.2 (32.4–41.6) | 21.0 (16.1–25.6) | 63.4 (59.0–67.2) | 38.7 (32.8–44.0) | 3.2 (−142.8 to 61.4) | 51.0 (42.6–58.1) |
| MM = 4 | 29.2 (8.6–45.1) | 4.1 (−8.9 to 15.6) | 52.4 (42.8–60.5) | 25.9 (15.8–34.8) | 64.7 (51.7–74.2) | 42.0 (25.4–54.9) | −90372736.2 (-Inf to 100.0) | 61.5 (36.9–76.5) |
| MM ≥ 5 | 47.1 (25.5–62.4) | 21.3 (7.6–33.0) | 42.8 (25.0–56.4) | 46.6 (36.3–55.3) | 72.1 (54.3–82.9) | 64.8 (45.7–77.2) | to NA | 66.4 (21.4–85.6) |
| COVID-19 related hospitalization | ||||||||
| MM = 2 | 48.5 (39.2–56.5) | 21.4 (15.0–27.3) | 74.5 (71.5–77.2) | 61.6 (58.4–64.6) | 90.3 (87.9–92.1) | 83.7 (80.8–86.1) | 79.6 (13.3–95.2) | 87.9 (83.3–91.3) |
| MM = 3 | 47.4 (34.7–57.6) | 32.8 (25.6–39.3) | 75.5 (71.3–79.1) | 66.5 (62.6–69.9) | 90.6 (87.1–93.1) | 88.6 (84.9–91.3) | 69.3 (−344.7 to 97.9) | 86.4 (77.8–91.7) |
| MM = 4 | 41.0 (16.8–58.1) | 19.8 (6.7–31.1) | 76.3 (68.0–82.4) | 64.6 (57.5–70.5) | 85.9 (73.7–92.4) | 76.3 (62.7–84.9) | NA | 87.5 (65.8–95.4) |
| MM ≥ 5 | 59.2 (39.1–72.6) | 36.6 (24.4–46.8) | 70.6 (58.3–79.3) | 66.7 (58.4–73.3) | 84.7 (65.8–93.1) | 83.1 (65.2–91.8) | NA | 75.9 (34.1–91.2) |
| COVID-19 related mortality | ||||||||
| MM = 2 | 66.8 (48.9–78.5) | 46.4 (36.7–54.6) | 93.8 (90.3–96.0) | 83.5 (79.7–86.7) | 98.8 (96.2–99.6) | 96.1 (92.9–97.9) | NA | 98.8 (91.3–99.8) |
| MM = 3 | 80.4 (66.8–88.4) | 50.6 (40.5–59.0) | 85.4 (78.2–90.2) | 75.5 (69.4–80.5) | 95.8 (88.4–98.5) | 94.3 (88.3–97.2) | NA | NA |
| MM = 4 | 80.1 (56.2–91.0) | 42.5 (24.4–56.2) | 87.1 (74.6–93.4) | 75.7 (66.3–82.5) | 96.4 (71.9–99.5) | 97.2 (86.7–99.4) | NA | 99.1 (87.4–99.9) |
| MM ≥ 5 | 45.6 (−10.3 to 73.1) | 52.2 (37.3–63.6) | 83.5 (68.3–91.4) | 75.6 (65.5–82.7) | NA | 96.4 (73.6–99.5) | NA | 92.3 (18.5–99.3) |
MM, multimorbidity; VE, vaccination effectiveness; CI, confidence interval.