CHARACTERISTICS All Patients
N=401 Short TTS
(≤ 3 days)
N=174 Intermediate TTS
(4-10 days)
N=135 Prolonged TTS
(>10 days)
N=92 p-value
Demographics
Female
180 (45)
89 (51)
57 (42)
34 (37)
0.0644
Age, median (IQR), y
64 (50-77)
64 (49-78)
66 (51-77)
64 (50-73)
0.5982
Residence Prior to Admission 0.0300
Home
291 (73)
135 (78)
93 (69)
63 (68)
Skilled nursing facility
102 (25)
37 (21)
41 (30)
24 (26)
Outside Hospital/Other
8 (2)
2 (1)
1 (0.7)
5 (5)
Current/Former Smoker 52 (13) 21 (12) 21 (16) 10 (11) 0.5261
Top 5 Comorbidities
Hypertension
213 (53)
86 (49)
74 (55)
53 (58)
0.3958
Diabetes
116 (29)
46 (26)
42 (31)
28 (30)
0.6251
Hyperlipidemia/Dyslipidemia
107 (27)
46 (26)
39 (29)
22 (24)
0.7040
Dementia
71 (18)
26 (15)
30 (22)
15 (16)
0.2316
Chronic Kidney Disease
44 (11)
15 (9)
16 (12)
13 (14)
0.3622
None
76 (19)
39 (22)
23 (17)
14 (15)
0.2843
Time from Symptom Onset to Hospitalization, median (IQR), days 4 (1-7) 5 (2-10) 3 (1-7) 5 (2-7) 0.0114
Top 3 COVID-19 Symptoms
Fever
217 (54)
81 (47)
78 (58)
58 (63)
0.0214
Dyspnea
222 (55)
87 (50)
78 (58)
57 (62)
0.1379
Non-productive cough
205 (51)
88 (51)
64 (47)
53 (58)
0.3142
Disease Severity upon Admission
Septic shock
20 (5)
0 (0)
5 (4)
15 (16)
<0.0001
Direct ICU admission
33 (8)
0 (0)
10 (7)
23 (25)
<0.0001
Required Supplemental O2
265 (66)
95 (55)
99 (73)
71 (77)
<0.0001
Mechanical ventilation
18 (4)
0 (0)
3 (2)
15 (16)
<0.0001
Presumed or Culture-Positive Co/Secondary Bacterial Infectionǂ 138 (34) 36 (21) 50 (37) 52 (57) <0.0001
Receipt of antibacterial therapy 370 (92) 149 (86) 129 (96) 92 (100) <0.0001
Duration of antibacterial therapy 7 (4-11) 4 (2-6) 7 (6-10) 15 (11-20) <0.0001
OUTCOMES
Developed AKI 72 (18) 18 (10) 23 (17) 31 (34) <0.0001
Developed ARDS 18 (4) 0 (0) 2 (1) 16 (17) <0.0001
Hospital LOS, median (IQR), days 9 (5-15) 5 (3-7) 9 (8-13) 22 (16-29) <0.0001