Table 1.
Deaths | % | 5 days (%) | 95% CI | 10 days (%) | 95% CI | Value of P | |
---|---|---|---|---|---|---|---|
Age | |||||||
Up to 50 years old | 3119 | 14.6 | 89.7 | 89.2–90.3 | 77.0 | 76.0–77.9 | <0.001 |
51–67 years old | 6763 | 31.6 | 81.1 | 80.5–81.8 | 62.5 | 61.5–63.4 | |
68 years old or more | 11 526 | 53.8 | 69.2 | 68.5–69.9 | 45.4 | 44.6–46.2 | |
Sex | |||||||
Male | 12 667 | 59.2 | 79.5 | 79.0–80.0 | 59.2 | 58.5–59.9 | 0.659 |
Female | 8738 | 40.8 | 78.8 | 78.2–79.4 | 59.2 | 58.4–60.1 | |
Race | |||||||
White or Yellow | 5930 | 42.9 | 83.8 | 83.2–84.4 | 65.8 | 64.9–66.7 | <0.001 |
Black or mixed | 7893 | 57.1 | 72.8 | 72.0–73.5 | 51.3 | 50.3–52.2 | |
Level of education | |||||||
Illiterate | 633 | 10.0 | 62.9 | 59.6–66.0 | 37.4 | 34.0–40.9 | <0.001 |
Low education | 3201 | 50.7 | 74.4 | 73.2–75.5 | 53.7 | 52.3–55.2 | |
Intermediate/elementary education | 1775 | 28.1 | 85.4 | 84.3–86.4 | 68.0 | 66.4–69.6 | |
Higher education | 704 | 11.2 | 90.9 | 89.6–91.9 | 77.7 | 75.6–79.7 | |
Zone | |||||||
Urban | 18 315 | 97.3 | 79.3 | 78.8–79.7 | 59.5 | 58.9–60.0 | <0.001 |
Rural | 503 | 2.7 | 70.2 | 67.1–73.2 | 48.8 | 45.0–52.5 | |
Influenza-like outbreak | |||||||
Yes | 5961 | 39.7 | 76.8 | 76.0–77.6 | 56.4 | 55.4–57.5 | <0.001 |
No | 9047 | 60.3 | 80.8 | 80.2–81.3 | 61.9 | 61.1–62.7 | |
Hospital-acquired infection | |||||||
Yes | 815 | 5.6 | 77.5 | 75.0–79.8 | 56.9 | 53.9–59.8 | 0.039 |
No | 13 714 | 94.4 | 80.2 | 79.8–80.7 | 60.7 | 60.1–61.4 | |
Fever | |||||||
Yes | 15 199 | 80.1 | 80.9 | 80.5–81.4 | 61.8 | 61.2–62.5 | <0.001 |
No | 3781 | 19.9 | 75.7 | 74.6–76.7 | 53.9 | 52.5–55.2 | |
Cough | |||||||
Yes | 15 691 | 82.7 | 80.9 | 80.5–81.3 | 61.6 | 61.0–62.2 | <0.001 |
No | 3283 | 17.3 | 74.4 | 73.2–75.5 | 53.7 | 52.3–55.2 | |
Throat | |||||||
Yes | 3768 | 25.4 | 82.0 | 81.2–82.8 | 63.3 | 62.1–64.5 | <0.001 |
No | 11 088 | 74.6 | 79.7 | 79.1–80.2 | 60.3 | 59.6–61.0 | |
Dyspnoea (shortness of breath) | |||||||
Yes | 16 847 | 87.1 | 77.4 | 76.9–77.9 | 57.0 | 56.4–57.6 | <0.001 |
No | 2503 | 12.9 | 86.6 | 85.8–87.4 | 69.7 | 68.4–71.0 | |
Respiratory distress | |||||||
Yes | 14 495 | 80.2 | 76.4 | 75.9–76.9 | 55.7 | 55.0–56.4 | <0.001 |
No | 3577 | 19.8 | 85.9 | 85.2–86.6 | 68.5 | 67.3–69.6 | |
O2 <95% saturation | |||||||
Yes | 15 209 | 83.2 | 75.3 | 74.8–75.8 | 54.4 | 53.7–55.0 | <0.001 |
No | 3063 | 16.8 | 88.5 | 87.8–89.1 | 72.6 | 71.5–73.7 | |
Diarrhoea | |||||||
Yes | 2406 | 16.6 | 83.5 | 82.5–84.4 | 64.9 | 63.4–66.3 | <0.001 |
No | 12 106 | 83.4 | 79.6 | 79.1–80.1 | 60.1 | 59.4–60.8 | |
Vomit | |||||||
Yes | 1440 | 10.2 | 81.3 | 80.0–82.6 | 63.5 | 61.6–65.4 | 0.006 |
No | 12 728 | 89.8 | 80.1 | 79.6–80.6 | 60.5 | 59.8–61.2 | |
Cardiopathy | |||||||
Yes | 9032 | 70.9 | 76.4 | 75.7–77.1 | 54.4 | 53.5–55.2 | <0.001 |
No | 3705 | 29.1 | 78.8 | 77.9–79.7 | 60.2 | 58.9–61.5 | |
Haematological | |||||||
Yes | 290 | 3.4 | 76.3 | 72.1–79.9 | 55.4 | 50.4–60.2 | 0.619 |
No | 8335 | 96.6 | 77.4 | 76.7–78.0 | 56.8 | 56.0–57.7 | |
Down's syndrome | |||||||
Yes | 73 | 0.9 | 70.9 | 61.3–78.5 | 38.5 | 28.0–48.8 | <0.001 |
No | 8512 | 99.1 | 77.2 | 76.5–77.9 | 56.7 | 55.8–57.5 | |
Hepatic | |||||||
Yes | 298 | 3.5 | 72.5 | 68.2–76.4 | 51.1 | 46.0–55.9 | 0.036 |
No | 8262 | 96.5 | 77.5 | 76.8–78.2 | 57.0 | 56.1–57.9 | |
Asthma | |||||||
Yes | 488 | 5.7 | 85.6 | 83.5–87.4 | 69.5 | 66.3–72.4 | <0.001 |
No | 8149 | 94.3 | 76.9 | 76.2–77.5 | 56.2 | 55.3–57.0 | |
Diabetes | |||||||
Yes | 6899 | 59.1 | 75.3 | 74.4–76.0 | 52.8 | 51.8–53.8 | <0.001 |
No | 4772 | 40.9 | 78.7 | 77.9–79.6 | 59.2 | 58.1–60.3 | |
Neurological | |||||||
Yes | 1409 | 15.6 | 70.5 | 68.4–72.5 | 46.4 | 44.1–48.8 | <0.001 |
No | 7643 | 84.4 | 77.9 | 77.2–78.5 | 57.8 | 56.8–58.7 | |
Pneumopathy | |||||||
Yes | 1266 | 14.1 | 75.4 | 73.4–77.3 | 52.2 | 49.8–54.6 | <0.001 |
No | 7694 | 85.9 | 77.6 | 76.9–78.3 | 57.4 | 56.5–58.3 | |
Immunodepression | |||||||
Yes | 865 | 9.9 | 77.8 | 75.6–79.9 | 59.7 | 56.9–62.4 | 0.056 |
No | 7883 | 90.1 | 77.2 | 76.5–77.9 | 56.7 | 55.8–57.6 | |
Kidney disease | |||||||
Yes | 1556 | 17.2 | 73.1 | 71.1–74.9 | 48.4 | 46.2–50.6 | <0.001 |
No | 7512 | 82.8 | 77.6 | 76.9–78.3 | 57.6 | 56.7–58.5 | |
BMI | |||||||
Normal | 7 | 0.9 | 91.7 | 53.9–98.8 | 46.9 | 17.6–71.8 | 0.117 |
Overweight | 52 | 6.7 | 81.5 | 71.8–88.1 | 50.0 | 37.8–61.1 | |
Obesity I | 373 | 47.9 | 82.0 | 79.1–84.7 | 62.6 | 58.6–66.3 | |
Obesity II | 192 | 24.6 | 82.1 | 77.7–85.7 | 60.0 | 54.1–65.5 | |
Obesity III | 155 | 19.9 | 76.7 | 71.2–81.2 | 52.9 | 46.0–59.4 | |
Vaccine | |||||||
Yes | 2371 | 32.1 | 80.9 | 79.8–82.0 | 62.2 | 60.7–63.8 | 0.521 |
No | 5012 | 67.9 | 81.1 | 80.3–81.8 | 62.4 | 61.4–63.5 | |
Anti-viral | |||||||
Yes | 8324 | 51.3 | 81.3 | 80.7–81.8 | 61.1 | 60.3–62.0 | 0.068 |
No | 7889 | 48.7 | 80.1 | 79.5–80.7 | 61.3 | 60.4–62.1 | |
Antiviral type | |||||||
Oseltamivir | 7675 | 97.3 | 81.5 | 80.9–82.1 | 61.4 | 60.6–62.3 | 0.591 |
Zanamivir | 35 | 0.4 | 76.2 | 64.0–84.7 | 50.0 | 35.4–63.0 | |
Other | 178 | 2.3 | 82.7 | 78.5–86.1 | 64.5 | 58.7–69.8 | |
ICU | |||||||
Yes | 11 070 | 58.5 | 77.1 | 76.5–77.8 | 54.5 | 53.7–55.3 | <0.001 |
No | 7869 | 41.5 | 82.5 | 82.0–83.0 | 66.2 | 65.4–66.9 | |
Ventilatory support | |||||||
Yes, invasive | 2439 | 13.4 | 66.1 | 65.2–67.0 | 41.6 | 40.7–42.6 | <0.001 |
Yes, not invasive | 6525 | 35.9 | 82.7 | 82.1–83.3 | 65.4 | 64.6–66.3 | |
No | 9202 | 50.7 | 90.3 | 89.7–90.8 | 77.6 | 76.5–78.6 | |
X-ray | |||||||
Normal | 406 | 6.0 | 87.1 | 85.0–88.9 | 71.5 | 68.3–74.5 | <0.001 |
Infiltrate interstitial | 4732 | 70.2 | 80.3 | 79.5–81.1 | 60.9 | 59.8–62.0 | |
Consolidated | 735 | 10.9 | 80.5 | 78.3–82.5 | 60.5 | 57.6–63.3 | |
Mixed | 866 | 12.9 | 79.8 | 77.8–81.7 | 60.5 | 57.8–63.0 | |
ICU length of stay | |||||||
Up to 8 days | 6418 | 58.9 | 57.0 | 55.9–58.0 | 15.0 | 14.0–16.0 | <0.001 |
>8 days | 4486 | 41.1 | 95.2 | 94.7–95.6 | 89.5 | 88.8–90.2 |