Chest Computed Tomography Findings in COVID-19 and Influenza: A Narrative Review

Table 4

Bronchovascular findings.

Author	Study group	Peribronchovascular, (%)	Air bronchogram, (%)	Bronchial dilatation, (%)	Vascular engorgement, (%)	Tree-in-bud, (%)
Xu et al. [27]	C	—	7 (8.0)	—	—	—
Yang et al. [28]	C	—	81 (54.4)	—	—	—
Wang et al. [29]	C	—	—	—	—	—
Lu et al. [16]	C	—	8 (72.7)	3 (27.3)	—	1 (9.1)
Zhou et al. [30]	C	—	45 (72.6)	—	35 (56.5)	—
Shi et al. [31]	C	—	38 (47.0)	9 (11.0)	—	0
Zhao et al. [32]	C	—	—	53 (52.5)	72 (71.3)	—
Han et al. [17]	C	—	52 (48.0)	—	86 (80.0)	—
Li and Xia [33]	C	—	35 (68.6)	—	42 (82.4)	—
Amorim et al. [34]	I	8 (11.0)	—	—	—	—
Elicker et al. [35]	I	3 (12.5)	—	9 (45.0)	—	—
Henzler et al. [36]	I	—	—	—	—	—
Jartti et al. [37]	I	96 (71.0)	—	—	—	—
Marchiori et al. [38]	I	—	—	—	—	—
Nicolini et al. [39]	I	2.8 (10.0)	—	—
Shim et al. [40]	I	16 (75.0)	—	—	—	—
Valente et al. [41]	I	—	—	—	—	—

: number of cases; C: COVID-19; I: influenza.