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Table 5 CT imaging features of RP and NRP patients with COVID-19

From: Atypical presentations of coronavirus disease 2019 (COVID-19) from onset to readmission

Features

NRP patients(n=72)

RP patients(n=7)

P-value

Overall condition of lesions

 

0.682c

 Normal#

10(13.9%)

1(14.3%)

 

 Single#

5(6.9%)

1(14.3%)

 

 Multiple#

57(79.2%)

5(71.4%)

 

Total number of GGO inperipheral area

 Pure GGO

4.49±6.92

8.00±7.53

0.207b

 Mixed GGO

4.46±6.86

2.43±5.59

0.451b

Total number of lesions

 Peripheral area

10.1±13.1

12.0±16.4

0.724b

 Central area

1.44±2.90

4.14±11.0

0.103b

Total scores of involved lung zones

 Bilateral lung

4.93±4.04

3.00±3.65

0.227b

 Right lung

2.81±2.45

2.00±2.31

0.407b

 Left lung

2.12±1.86

1.00±1.41

0.125b

Number of lobes affected

 Right lung

1.82±1.24

1.43±0.98

0.353b

 Left lung

1.33±0.82

0.71±0.76

0.059b

Total scores of bilateral lung category

 

0.064a

 < 3 scores#

21(29.2%)

5(71.4%)

 

 ≥3 scores#

51(70.8%)

2(28.6%)

 

Pure GGO category

  

0.804a

 Negative#

19(26.4%)

1(14.3%)

 

 Positive#

53(73.6%)

6(85.7%)

 

Pure GGO in peripheral area category

 

0.746a

 Negative#

20(27.8%)

1(14.3%)

 

 Positive#

52(72.2%)

6(85.7%)

 

Mixed GGO category

  

0.018a*

 Negative#

16(22.2%)

5(71.4%)

 

 Positive#

56(77. 8%)

2(28.6%)

 

Mixed GGO in peripheral area category

 

0.032a*

 Negative#

18(25.0%)

5(71.4%)

 

 Positive#

54(75.0%)

2(28.6%)

 
  1. Note: *Data with statistical significance. #Results are measurements with corresponding ratio in parentheses, and the remainder results are mean value with standard deviation. Pa: chi square test, Pb: student’s t test, Pc: Kruskal-Wallis H test, GGO Ground-glass opacity