Outcomes by lung ultrasound Zaragoza (LUZ)-score at baseline
| Total | LUZ-score | p-value | |||
| <25th percentile | 25–75th percentile | >75th percentile | |||
| Primary outcome | |||||
| ICU admission and/or death | 13 10.1) | 3 (9.4) | 3 (4.3) | 7 (25.0) | 0.016 |
| Secondary outcomes | |||||
| 长呆几天 | 8±6 | 5±6 | 8±4 | 9±6 | 0.003 |
| Necessity of increased oxygen therapy at 48/72 h | 42 (34.1) | 5 (16.1) | 27 (39.7) | 10 (41.7) | 0.037 |
| Necessity to escalate COVID-19 treatment at 48/72 h | 52 (40.9) | 9 (29.0) | 29 (42.0) | 14 (51.9) | 0.199 |
| Necessity of increased oxygen therapy or escalation of COVID-19 treatment at 48/72 h | 62 (50.4) | 11 (35.5) | 35 (51.5) | 16 (66.7) | 0.067 |
Data are presented as n (%) or mean±sd, unless otherwise stated. ICU: intensive care unit; COVID-19: coronavirus disease 2019. Bold type represents statistical significance.