Chest computed tomography performed on admission helps predict the severity of smoke-inhalation injury

Table 4 Change in BWT

	Admission	24 hours	7 days
Total BWT
m (SD)	2.45 (1.26)	3.40 (1.20)^a	1.49 (0.64)^ab
N	37	29	29
BWT of SII alone
m (SD)	2.43 (1.26)	3.18 (1.00)^a	1.52 (0.68)^ab
Number	29	23	23
BWT of SII with cutaneous burn
m (SD)	2.53 (1.34)	4.16 (1.71)^a	1.42 (0.68)^ab
Number	8	6	6

BWT, bronchial-wall thickness; SD, standard deviation; SII, smoke-inhalation injury.
^aP < 0.001 versus admission BWT; ^bP < 0.001 versus 24 hours BWT. BWT values in the 7-days-after group were significantly lower than those in the admission (P < 0.001) and 24-hours-after (P < 0.001) groups. BWT values in the 7-days-after group with SII alone and SII with cutaneous burn were significantly lower than those in the admission (P < 0.001) and 24-hours-after (P < 0.001) groups.

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