|
Main symptoms at early stage (N1 = 76,N2 = 227,N3 = 169)
|
|
Fever
|
445(94.3)
|
74(97.4)
|
213(93.8)
|
158(93.5)
|
0.444
|
|
Cough
|
386(81.8)
|
54(71.1)
|
194(85.5)
|
138(81.7)
|
0.019
|
|
Weakness
|
186(39.4)
|
29(38.2)
|
88(38.8)
|
69(40.8)
|
0.891
|
|
Muscle soreness
|
107(22.7)
|
20(26.3)
|
53(23.4)
|
34(20.1)
|
0.532
|
|
Othersa
|
170(36)
|
37(48.7)
|
70(30.8)
|
63(37.3)
|
0.018
|
|
Underlying medical conditions (N1 = 74,N2 = 226,N3 = 166)
|
242(51.9)
|
43(58.1)
|
118(52.2)
|
81(48.8)
|
0.408
|
|
Cardiovascular and cerebrovascular disease
|
159(34.1)
|
29(39.2)
|
69(30.5)
|
61(36.8)
|
0.266
|
|
Metabolic diseases
|
68(14.6)
|
12(16.2)
|
37(16.4)
|
19(11.5)
|
0.359
|
|
Chronic lung disease
|
50(10.7)
|
12(16.2)
|
22(9.7)
|
16(9.6)
|
0.251
|
|
Chronic liver diseases
|
32(6.9)
|
3(4.1)
|
20(8.9)
|
9(5.4)
|
0.241
|
|
Hematological system diseases
|
14(3.0)
|
1(1.4)
|
9(4)
|
4(2.4)
|
0.441
|
|
Cancer
|
10(2.1)
|
2(2.7)
|
6(2.7)
|
2(1.2)
|
0.580
|
|
Rheumatic autoimmune disease
|
11(2.4)
|
5(6.8)
|
2(0.9)
|
4(2.4)
|
0.015
|
|
Immunosuppressive state
|
12(2.6)
|
1(1.4)
|
5(2.2)
|
6(3.6)
|
0.529
|
|
Chronic kidney diseases
|
16(3.4)
|
1(1.4)
|
6(2.7)
|
9(5.4)
|
0.186
|
|
Nervous system or neuromuscular dysfunction
|
6(1.3)
|
0(0)
|
4(1.8)
|
2(1.2)
|
0.500
|
|
Complications (N1 = 71,N2 = 219,N3 = 162)
|
406(89.8)
|
64(90.1)
|
197(90)
|
145(89.5)
|
0.985
|
|
Pneumonia
|
392(86.7)
|
64(90.1)
|
187(85.4)
|
141(87.0)
|
0.585
|
|
Respiratory failure
|
311(68.8)
|
47(66.2)
|
144(65.8)
|
120(74.1)
|
0.195
|
|
Acute Respiratory Distress Syndrome(ARDS)
|
298(65.9)
|
42(59.2)
|
141(64.4)
|
115(71)
|
0.171
|
|
Hepatic insufficiency
|
193(42.7)
|
25(35.2)
|
90(41.1)
|
78(48.2)
|
0.148
|
|
Renal insufficiency
|
152(33.6)
|
23(32.4)
|
68(31.1)
|
61(37.7)
|
0.391
|
|
Septic shock
|
141(31.2)
|
14(19.7)
|
64(29.2)
|
63(38.9)
|
0.010
|
|
Cardiac failure
|
124(27.4)
|
16(22.5)
|
49(22.4)
|
59(36.4)
|
0.006
|
|
Neurologic complications
|
27(6.0)
|
2(2.8)
|
12(5.5)
|
13(8.0)
|
0.277
|
|
Disseminated intravascular coagulation
|
25(5.5)
|
3(4.2)
|
9(4.1)
|
13(8.0)
|
0.222
|
|
Rhabdomyalysis
|
17(3.8)
|
1(1.4)
|
6(2.7)
|
10(6.2)
|
0.115
|
|
Failure of two or more organs
|
302(66.8)
|
45(63.4)
|
139(63.5)
|
118(72.8)
|
0.127
|
