Table 3

Distribution of comorbidities in patients with different types of COVID-19

Total (n=1280)Patients with ordinary type of COVID-19 (n=793)Patients with severe type of COVID-19 (n=363)Patients with critical type of COVID-19 (n=124)P value
Comorbidities
 Hypertension423 (33.0%)207 (26.1%)158 (43.5%)*58 (46.8%)*0.000
 Diabetes184 (14.4%)91 (11.5%)72 (19.8%)*21 (16.9%)0.001
 Coronary heart disease102 (8.0%)48 (6.1%)40 (11.0%)*14 (11.3%)0.005
 Chronic obstructive pulmonary disease30 (2.3%)15 (1.9%)10 (2.8%)5 (4.0%)0.270
 Arrhythmia28 (2.2%)9 (1.1%)13 (3.6%)*6 (4.8%)*0.006
 Chronic renal failure20 (1.6%)4 (0.5%)12 (3.3%)*4 (3.2%)*0.001
 Malignant tumors13 (1.0%)9 (1.1%)04 (3.2%)0.280
 Cirrhosis8 (0.6%)2 (0.3%)3 (0.8%)3 (2.4%)*0.011
 Chronic hepatitis B9 (0.7%)7 (0.9%)02 (1.6%)0.257
 Thyroid disease20 (1.6%)15 (1.9%)4 (1.1%)1 (0.8%)0.151
 Cerebrovascular disease13 (1.0%)6 (0.8%)5 (1.4%)2 (1.6%)0.168
 Bronchiectasis6 (0.5%)6 (0.8%)00
 Allergic asthma6 (0.5%)1 (0.1%)4 (1.1%)1 (0.8%)0.062
Number of comorbidities
 One comorbidity385 (64.2%)195 (50.6%)130 (33.8%)*60 (15.6%)*†0.000
 ≥2 comorbidities215 (35.8%)105 (48.8%)82 (38.1%)28 (13.0%)*†0.000
  • Categorical data were expressed by percentage and compared by the χ2 test.

  • *P<0.05, vs ordinary patients.

  • †P<0.05, vs severe patients.