Table 1

Comparison of clinical characteristics and outcomes in patients with three different types of COVID-19

Patients with ordinary type of COVID-19Patients with severe type of COVID-19Patients with critical type of COVID-19P value
Number793363124
Age (years)59 (49–68)67 (59–74)*68 (60–75)*0.000
Sex
 Male354 (44.6%)186 (51.2%)75 (60.5%)*0.002
 Female439 (55.4%)177 (48.8%)49 (39.5%)*0.002
Admission vital signs
 Body temperature (°C)36.6 (36.5–37.0)36.6 (36.5–37.0)37.0 (36.6–37.8)*†0.000
 Heart rate (beats/min)80 (78–88)80 (78–88)86 (80–99)*†0.000
 Respiratory rate (breaths/min)20 (19–20)20 (19–22)*22 (20–25)*†0.000
 Systolic blood pressure (mm Hg)130 (120–140)130 (120–140)132 (122–148)*0.007
 Diastolic blood pressure (mm Hg)80 (72–85)79 (70–84)80 (70–88)0.089
Clinical symptoms at admission
 Fever542 (83.5%)231 (63.6%)92 (74.2%)0.072
 Cough520 (65.6%)248 (68.3%)95 (76.6%)*0.047
 Sputum production134 (16.9%)82 (22.6%)35 (28.2%)*0.003
 Fatigue240 (30.3%)101 (27.8%)37 (29.8%)0.698
 Chest tightness131 (16.5%)114 (31.4%)*29 (23.4%)0.000
 Wheezing106 (13.4%)113 (31.1%)*42 (33.9%)*0.000
 Dyspnea39 (4.9%)22 (6.1%)20 (16.1%)*†0.000
 Myalgia42 (5.3%)23 (6.3%)10 (8.1%)0.356
 Sore throat64 (8.1%)21 (5.9%)8 (6.5%)0.428
 Diarrhea63 (7.9%)27 (7.4%)10 (8.1%)0.951
 Headache37 (4.7%)11 (3.0%)6 (4.8%)0.411
Clinical outcomes
 Discharge579 (73.0%)200 (55.1%)*31 (25.0%)*†0.000
 Transfer211 (26.6%)156 (43.0%)*34 (27.4%)0.000
 Death3 (0.4%)7 (1.9%)*59 (47.6%)*†0.000
 Length of hospital stay15 (11–18)17 (15–23)*16 (9–26)*0.000
 Time from onset to admission10 (7–14)10 (7–14)8 (7–14)0.082
 Time from onset to discharge26 (21–33)30 (24–37)*27 (18–39)†0.000
  • Shapiro-Wilk test was used to test the normality of continuous data, continuous data non-normally distributed were presented as median (IQR) and compared with Kruskal-Wallis test. Categorical data were expressed by percentage and comparison was made by the χ2 test.

  • *P<0.05, vs ordinary patients.

  • †P<0.05, vs severe patients.