Table 4.
Comparison of 2 Groups Defined by the 24 mm Pulmonary Artery Diameter Cutoff
| . | PA<24.5 mm | PA≥24.5 mm | Test | P value |
|---|---|---|---|---|
| Age | 62±17 | 65±16 | t | .112 |
| Female gender | 51 (36.4%) | 99 (30.5%) | Chi2 | .234 |
| Blood type | ||||
| O | 42 (30%) | 110 (33.8%) | Chi2 | .367 |
| A | 61 (43.6%) | 113 (34.8%) | ||
| B | 11 (7.9%) | 40 (12.3%) | ||
| AB | 7 (5%) | 15 (4.6%) | ||
| UNK | 19 (13.6%) | 47 (14.5%) | ||
| Negative Rhesus antigen | 12 (9.9%) | 25 (9%) | Chi2 | .851 |
| Direct admission to ICU | 10 (7.1%) | 38 (11.7%) | Chi2 | .183 |
| Weight | 76±14 | 83±17 | t | <.001 |
| Hypertension | 70 (50%) | 194 (59.7%) | Chi2 | .066 |
| Diabetes mellitus | 34 (24.3%) | 101 (31.1%) | Chi2 | .149 |
| Immunosuppression | 13 (9.3%) | 34 (10.5%) | Chi2 | .741 |
| Cardiovascular disease | 30 (21.4%) | 94 (28.9%) | Chi2 | .109 |
| Chronic renal failure | 8 (5.7%) | 66 (20.3%) | Chi2 | <.001 |
| Lung Disease | 28 (20.6%) | 65 (20.5%) | Chi2 | .999 |
| Smoker | 30 (22.1%) | 84 (26.5%) | Chi2 | .346 |
| Ground glass opacities (%) | 21±16 | 27±19 | t | <.001 |
| Lobar condensation | 9 (6.4%) | 29 (8.9%) | Chi2 | .462 |
| Pulmonary embolism | 0 (0%) | 3 (0.9%) | F | .557 |
| Leucocytes | 6850 (5200-10,450) | 7100 (5200-10,000) | MWU | .904 |
| Neutrophiles | 5165 (3625-7965) | 5430 (3590-8050) | MWU | .746 |
| Lymphocytes | 870 (565-1280) | 810 (540-1210) | MWU | .295 |
| Ferritin | 774 (456-1321) | 732 (350.5-1328.5) | MWU | .682 |
| LDH | 318 (249-432) | 336 (252-438) | MWU | .459 |
| D-dimers | 0.77 (0.44-2.1) | 0.88 (0.48-1.67) | MWU | .61 |
| CRP | 76 (27-156) | 94 (41.9-149) | MWU | .104 |
| Procalcitonin | 0.17 (0.07-0.33) | 0.18 (0.09-0.48) | MWU | .193 |
| HDL | 1.13099 (0.86-1.42) | 1.17 (0.99-1.34) | MWU | .715 |
| LDL | 3.17 (2.21-3.56868) | 2.79 (2.07-3.46) | MWU | .236 |
| Triglycerides | 1.78 (1.25-2.46) | 1.78 (1.34-2.48) | MWU | .469 |
| Serum Creatinin | 68.5 (54-90.5) | 81 (65-116) | MWU | <.001 |
| Oxygen (O2) needs at baseline | ||||
| No O2 | 46 (32.9%) | 80 (24.6%) | MWU | .313 |
| O2 < 4 L/min | 29 (20.7%) | 92 (28.3%) | ||
| O2 4-8 L/min | 42 (30%) | 93 (28.6%) | ||
| Optiflow | 23 (16.4%) | 60 (18.5%) | ||
| NEWS2 score | 5 (2-6) | 5 (3-6) | MWU | .307 |
| Length of stay | 8.5 (5-14) | 10 (6-18) | MWU | .028 |
| ICU transfer | 26 (18.6%) | 84 (25.8%) | Chi2 | .097 |
| Intubation | 11 (7.9%) | 59 (18.2%) | Chi2 | .004 |
| Intubation day | 8 (3-13) | 6 (2-11) | MWU | .621 |
| PCFS at discharge class 3-4 | 28 (23.0%) | 75 (30.5%) | Chi2 | .140 |
| PCFS at 2-Month class 3-4 | 6 (5.0%) | 24 (9.8%) | Chi2 | .155 |
Chi2, Chi squared test; F, Fisher exact test; ICU, Intensive care unit; LDH, lactodehydrogenase; MWU, Mann-Whitney U test; PAD, pulmonary artery diameter; PCFS, Post–COVID-19 Functional Status scale; t, independent samples t test.Categorical data are presented as frequencies and percentages. Continuous data not departing from normality assumptions are presented as mean ± SD. Continuous data departing from normality assumptions are presented as median and its interquartile range.