Correction to: BMC Public Health (2020) 20:1616
https://doi.org/10.1186/s12889-020-09721-2
It was highlighted that in the original article [1] the letter χ was missing in footnote b of Table 1 and on the equation in the Results section on page 5. This Correction article shows the correct Table 1 footnotes and the correct equation.
Table 1.
General characteristics by outcome
| Total n = 16,752 |
Dead n = 1569 |
Alive n = 15,183 |
p-value | |
|---|---|---|---|---|
| Age, years | 46.55 ± 15.55 | 59.42 ± 14.29 | 45.22 ± 15.06 | < 0.001 a |
| Sex (men) | 9719 (58.02) | 1066 (67.94) | 8653 (56.99) | < 0.001 b |
| Mortality rate (95% CI)c | 4.94 (4.70–5.19) | |||
| Men (95% CI)c | 5.82 (5.48–6.18) | |||
| Women (95% CI)c | 3.74 (3.43–4.08) | |||
| Comorbidities | ||||
| Diabetes | 3064 (18.44) | 266 (17.12) | 2798 (18.58) | 0.158 b |
| COPD | 421 (2.53) | 44 (2.83) | 377 (2.5) | 0.435 b |
| Asthma | 585 (3.52) | 51 (3,.28) | 534 (3.55) | 0.588 b |
| Hypertension | 3640 (21.91) | 353 (22.72) | 3287 (21.82) | 0.418 b |
| Cardiovascular disease | 473 (2.85) | 43 (2.77) | 430 (2.86) | 0.878 b |
| Obesity | 3463 (20.83) | 340 (21.86) | 3123 (20.73) | 0.293 b |
| CKD | 388 (2.34) | 107 (6.86) | 281 (1.87) | < 0.001 b |
| Number of comorbidities | 0.72 ± 0.94 | 0.77 ± 0.95 | 0.71 ± 0.94 | 0.029 a |
| No comorbidities | 9173 (54.76) | 417 (26.58) | 8756 (57.67) | < 0.001 b |
| Pregnancy | 99 (0.59) | 5 (0.32) | 95 (0.62) | 0.138 b |
| Immune-suppression | 314 (1.89) | 25 (1.61) | 289 (1.92) | 0.391 b |
| Smoking | 1496 (9) | 150 (9.62) | 1346 (8.94) | 0.368 b |
| Onset of symptoms-admission (days) | 4.27 ± 3.43 | 4.29 ± 3.49 | 4.26 ± 3.42 | 0.730 a |
| Onset of admission-dead (days) | 5.86 ± 5.12 | 5.86 ± 5.12 | – | |
| Onset of symptoms-dead (days) | 10.15 ± 5.75 | 10.15 ± 5.75 | – | |
| Pneumonia | 4942 (29.5) | 1182 (75.33) | 3760 (24.76) | < 0.001 b |
| Hospitalized | 6581 (39.28) | 1416 (90.25) | 5165 (34.02) | < 0.001 b |
| ICU | 720 (4.3) | 292 (18.61) | 428 (2.82) | < 0.001 b |
| Intubated | 709 (4.23) | 376 (23.96) | 333 (2.19) | < 0.001 b |
| IMSS services | 6262 (37.57) | 667 (42.65) | 5595 (37.04) | < 0.001 b |
| ISSSTE services | 905 (5.43) | 124 (7.93) | 781 (5.17) | < 0.001 b |
| SS services | 7896 (47.37) | 655 (41.88) | 7241 (47.94) | < 0.001 b |
| Other public services | 684 (4.1) | 87 (5.56) | 597 (3.95) | 0.002 b |
| Private services | 922 (5.53) | 31 (1.98) | 891 (5.9) | < 0.001 b |
a Mann-Whitney test; b χ2 test; c Mortality rate per 1000 person-year
COPD = Chronic Obstructive Pulmonary Disease; CKD = Chronic Kidney Disease; ICU = Intensive Care Unit; IMSS Mexican Institute of Social Services; ISSSTE Institute of Social Security and Services for State Workers; SS = Mexican Ministry of Health
Correct Table 1footnotes
a Mann-Whitney test
b χ2 test
c Mortality rate per 1000 person-year
COPD Chronic Obstructive Pulmonary Disease, CKD Chronic Kidney Disease, ICU Intensive Care Unit, IMSS Mexican Institute of Social Services, ISSSTE Institute of Social Security and Services for State Workers, SS Mexican Ministry of Health
Correct equation in Results section
(χ2 = 31.83, df = 12, p < 0.001)
The original article has been updated.
Reference
- 1.Salinas-Escudero G, et al. A survival analysis of COVID-19 in the Mexican population. BMC Public Health. 2020;20:1616. doi: 10.1186/s12889-020-09721-2. [DOI] [PMC free article] [PubMed] [Google Scholar]