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Table 1 General characteristics by outcome

From: A survival analysis of COVID-19 in the Mexican population

  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
  1. aMann-Whitney test
  2. bχ2 test
  3. cMortality rate per 1000 person-year
  4. 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