|
Area Under Curve
|
Standard Error
|
p value
|
95% CI
|
---|
Model 1
|
Group 1
|
0.944
|
0.018
|
< 0.001
|
0.909–0.978
|
Group 2
|
0.922
|
0.023
|
< 0.001
|
0.877–0.967
|
Model 2
|
Group 1
|
0.932
|
0.021
|
< 0.001
|
0.890–0.974
|
Group 2
|
0.915
|
0.025
|
< 0.001
|
0.866–0.964
|
Model 3
|
Group 1
|
0.918
|
0.021
|
< 0.001
|
0.877–0.959
|
Group 2
|
0.948
|
0.019
|
< 0.001
|
0.911–0.984
|
- Model 1: Two group according to PCR result. Group 1, PCR negative; Group 2, PCR positive.
- Model 2: Two group randomly divided.
- Model 3: Two group according to date of hospital admission. Group 1, First 7 weeks; Group 2, Eight to fourteen weeks