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Table 4 Lung ultrasound follow-up of pregnant patients

From: Application of quantitative lung ultrasound instead of CT for monitoring COVID-19 pneumonia in pregnant women: a single-center retrospective study

  Lung ultrasound follow-up
First Second Third Fourth Fifth Sixth
Time interval since the last lung ultrasound examination (Days) 3 (2 ~ 5) 3 (2 ~ 5) 4 (2 ~ 7) 6 (3 ~ 9) 7 (3 ~ 11) 12
Patients underwent follow-up 39 36 21 13 4 1
Lesion progression 16 8 3 0 0 0
No change 14 8 5 3 0 0
Lesion improvement 9 20 13 10 4 1
Patient with pleural effusions 26 16 2 0 0 0