Table 2.

Volume of opacities in increased oxygen demand group and nonincreased oxygen demand group stratified by time from onset to CT scan.

Onset to CT Duration, Days	Type of Opacity	All	Increased Oxygen Demand	Nonincreased Oxygen Demand	p-Value
0–5 days	high opacity	15.3 [6.0, 71.4]	11.0 [5.7, 87.4]	16.2 [11.1, 17.9]	0.752
	low opacity	72.3 [33.8, 500.2]	239.5 [37.1, 508.9]	72.33 [33.8, 76.2]	0.343
	overall	87.3 [45.2, 526.8]	282.2 [42.4, 612.4]	87.3 [50.0, 96.2]	0.399
6–10 days	high opacity	57.6 [32.7, 126.8]	57.62 [42.5, 146.9]	65.2 [13.4, 87.3]	0.224
	low opacity	480.5 [286.7, 782.44]	551.8 [361.5, 1106.3]	330.7 [125.7, 527.7]	0.044
	overall	562.5 [329.0, 930.1]	607.6 [416.3, 1245.5]	430.98 [134.6, 613.2]	0.040
≥11 days	high opacity	57.8 [0.9, 127.6]	129.7 [46.0, 294.5]	5.28 [0.0, 62.1]	0.018
	low opacity	165.6 [10.0, 519.7]	425.1 [152.9, 648.6]	52.2 [1.5, 388.6]	0.056
	overall	325.0 [10.6, 749.7]	636.3 [252.9, 890.1]	55.73 [1.6, 446.3]	0.027

Abbreviations: computed tomography, CT.