Table 3.

AUC of each type of opacity volume as a predictor of oxygen demand in each period.

Period	Number	Opacity	High Opacity	Low Opacity
Total	79	0.737 (0.624–0.851)	0.691 (0.572–0.811)	0.722 (0.607–0.837)
0–5 days	17	0.633 (0.342–0.925)	0.45 (0.132–0.768)	0.650 (0.362–0.938)
6–10 days	35	0.714 (0.529–0.898)	0.373 (0.167–0.579)	0.710 (0.523–0.898)
≥11 days	27	0.759 (0.574–0.943)	0.776 (0.593–0.96)	0.724 (0.528–0.919)