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Table 5 Clinical symptoms in different severity of COVID-19 cases

From: Clinical characteristics of coronavirus disease 2019 (COVID-19) in patients out of Wuhan from China: a case control study

Clinical Symptoms
Fever
 Mild Cases 7 (77.78%)
 Severe Cases 4 (100%)
  x2 = 0.0369, P > 0.05
From Initial Onset to Fever (Day)
 Mild Cases 1–9 (3.29 ± 3.59)
 Severe Cases 1–7 (2.75 ± 2.87)
  t = 0.254, P > 0.05
Degree of Fever (°C)
 Mild Cases 36.5–39.0 (37.91 ± 0.86)
 Severe Cases 38.0–39.0 (38.40 ± 0.49)
  t = −1.043, P > 0.05
Day of Persistent Fever
 Mild Cases 4–11 (6.13 ± 4.70)
 Severe Cases 5–10 (7.50 ± 2.89)
  t = −0.624, P > 0.05
Cough
 Mild Cases 9 (100%)
 Severe Cases 4 (100%)
Expectoration
 Mild Cases 3 (33.33%)
 Severe Cases 2 (50%)
  x2 = 0.0021, P > 0.05
Fatigue
 Mild Cases 4 (44.44%)
 Severe Cases 4 (100%)
  x2 = 3.61, P > 0.05
Other Symptoms
 Mild Cases 5 (55.56%)
 Severe Cases 3 (75%)
  x2 = 0.4424, P > 0.05
Oxyhemoglobin Saturation (%)
 Mild Cases 95–98 (97.00 ± 1.80)
 Severe Cases 90–94 (93.00 ± 2.58)
  t = 3.255, P < 0.05
Oxygenation Index (mmHg)
 Mild Cases 342–462 (398.60 ± 50.91)
 Severe Cases 203–252 (231.00 ± 20.41)
  t = 6.133, P < 0.05