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Table 3 Follow-ups during hospitalization and after discharge of patients with COVID-19

From: Dynamic changes in clinical and CT characteristics of COVID-19 cases with different exposure histories: a retrospective study

Ā 

All patients

^Wuhan

^Non-Wuhan

p value

^Follow-ups during hospitalization: No., (%)

ā€ƒFollow up 1 (4ā€‰days after admission)

ā€ƒā€ƒProgression

31/53 (58.5%)

20/30 (66.7%)

11/23 (47.8%)

0.168||

ā€ƒā€ƒImprovement

22/53 (41.5%)

10/30 (33.3%)

12/23 (52.2%)

Ā 

ā€ƒFollow up 2 (8ā€‰days after admission)

ā€ƒā€ƒProgression

8/46 (17.4%)

8/26 (30.8%)

0/20

0.006||*

ā€ƒā€ƒImprovement

38/46 (82.6%)

18/26 (69.2%)

20/20 (100%)

Ā 

Mean length of stay hospital: Mean (SD)

Ā 

13.9 (4.1)

14.5 (4.7)

13.2 (3.2)

0.213ā€”

Median interval between symptom onset and discharge: Median (IQR)

Ā 

19.0 (16.0ā€“23.0)

20.0 (15.8ā€“23.3)

18.0 (16.0ā€“20.0)

0.171ā€”ā€”

^Follow-ups after discharge: No., (%)

ā€ƒFollow up 1 (2ā€‰weeks after discharge)

ā€ƒā€ƒPartly absorption of lesions

41/45 (91.1%)

25/25 (100%)

16/20 (80%)

0.033||*

ā€ƒā€ƒComplete absorption of lesions

4/45 (8.9%)

0/25

4/20 (20%)

Ā 

ā€ƒFollow up 2 (4ā€‰weeks after discharge)

ā€ƒā€ƒPartly absorption of lesions

4/18 (22.2%)

3/12 (25%)

1/6 (16.7%)

1.000||

ā€ƒā€ƒComplete absorption of lesions

14/18 (77.8%)

9/12 (75%)

5/6 (83.3%)

Ā 
  1. Note:
  2. IQR Interquartile range
  3. ^ Wuhan: patients who lived in/or travelled to Wuhan recently
  4. ^ Non-Wuhan: patients who had contact with a confirmed case or unknown exposure
  5. ^ Follow-ups: based on the extent and density change of lung opacities of chest CT images
  6. || The differences between rates were tested by Ļ‡2 or Fisher exact tests, if appropriate
  7. ā€” Independent samples t-test
  8. ā€”ā€” Mann-Whitney U test
  9. * Significant level pā€‰<ā€‰0.05