Table 1 Cohort baseline characteristics for the whole group (n = 101) and comparing those with complete Chest radiograph resolution (n = 69) vs. those with persistent abnormality (n = 32)
Variable | Whole Group (n = 101) | Complete Resolution (n = 69) | Persistent CXR Abnormality (n = 32) | p value |
|---|---|---|---|---|
Sex (male) | 53.5% (n = 54) | 52.2% (n = 36) | 56.3% (n = 18) | 0.702 |
Age (years) | 53.0 (45–63) | 52.0 (42.5–62.5) | 57.0 (50.3–63.8) | 0.132 |
Length of Stay (days) | 9 days (5–17.5) | 8.0 (3–10.5) | 20.5 (8.3–32.5) | 0.001** |
Follow-up CXR interval (days) | 82 (77–86) | 83.0 (76.0–90.0) | 81.5 (65—87.5) | 0.371 |
Admission to follow-up interval (days) | 96 (94–98) | 97.0 (94–112.5) | 110.5 (95.2–126.0) | 0.107 |
Level 2 or 3 Care | 48.5% (n = 49) | 39.1% (n = 27) | 68.8% (n = 22) | 0.006** |
IMV | 29.7% (n = 30) | 21.7% (n = 15) | 46.9% (n = 15) | 0.010* |
CPAP/NIV | 18.8% (n = 19) | 17.4% (n = 12) | 21.9% (n = 7) | 0.592 |
ECMO | 3.0% (n = 3) | 1.4% (n = 1) | 6.3% (n = 2) | 0.235 |
Oxygen or higher respiratory support | 83% (n = 84) | 81.2% (n = 56) | 87.5% (n = 28) | 0.428 |
BAME | 35% (n = 35) | 34.8% (n = 24) | 34.4% (n = 11) | 0.985 |
Obesity (BMI > 30 kg/m2) | 28% (n = 28) | 23.2% (n = 16) | 34.4% (n = 11) | 0.237 |
Hypertension | 36% (n = 36) | 31.9% (n = 22) | 43.8% (n = 14) | 0.247 |
Diabetes Melitus (all types) | 18% (n = 19) | 17.4% (n = 12) | 21.9% (n = 7) | 0.592 |
Asthma | 15% (n = 15) | 13% (n = 9) | 18.8% (n = 6) | 0.549 |
COPD | 2% (n = 2) | 0% (n = 0) | 6% (n = 2) | 0.098 |
Ischaemic Heart Disease | 8% (n = 8) | 5.8% (n = 4) | 12.5% (n = 4) | 0.259 |
Current or Ex-smoker | 35% (n = 35) | 24% (n = 16) | 56% (n = 19) | 0.002** |