TABLE 2

Lung ultrasound findings in critically ill patients with SARS-CoV-2 pneumonia

VariableOverallMissingSymptomsDifference (95% CI)p-valueMissing
≤14 days>14 days
Lung sliding n30311271520.60925
 Present195 (64)84 (66)92 (61)5 (−6–18)
 Present but subtle105 (35)42 (33)59 (39)−6 (−17–6)
 Absent3 (1)1 (1)1 (1)N/A
Pleura n30311271520.02425
 Normal110 (36)56 (44)49 (32)12 (0–24)
 Thickened129 (42)54 (43)64 (42)1 (−12–12)
 Irregular16 (5)6 (5)7 (5)0 (−5–5)
 Thickened and irregular48 (16)11 (9)32 (21)−12 (−21–4)
Lung n30311271520.00425
 Normal139 (46)71 (56)59 (39)17 (5–29)
 ≥3 B-lines117 (38)45 (35)62 (41)−6 (−17–7)
 Consolidation47 (15)11 (9)31 (20)−11 (−21–3)
B-line appearance (in available views) n117046620.4499
 ≥3 and separated79 (68)33 (72)39 (63)9 (−11–28)
 ≥3 and confluent38 (32)13 (18)23 (37)−19 (−28–11)
C-profile size (in available views) n48011221.015
 Small44 (92)10 (91)21 (95)−4 (−28–19)
 Large4 (8)1 (9)1 (5)N/A
PLAPS type n1391356730.05123
 No pathology54 (39)25 (45)23 (32)7 (5–50)
 Pleural effusion17 (12)3 (5)14 (19)−14 (−23–20)
 Consolidation64 (46)25 (45)35 (48)−3 (−22–16)
 Pleural effusion and consolidation4 (3)3 (5)1 (1)N/A

Data are presented as n (%), unless otherwise stated. SARS-CoV-2: severe acute respiratory syndrome-coronavirus-2; PLAPS: posterolateral alveolar and/or pleural syndrome; N/A: not available.