Comparison between 2009 and 2013
| 2009 n= 303 | 2013 n=84 | P value | |
| General Ward | n= 265 (87%) | n= 65 (77%) | |
| Age (Means ±SD) | 47.15 ± 18.15 | 54.4 ± 17.94 | <0.01 |
| Pregnancy | 5% | 0% | NS |
| Obesity | 7% | 23% | <0.01 |
| COPD | 6% | 18% | <0.01 |
| Heart Failure | 9% | 21% | <0.01 |
| Means onset, symptoms days (Means ±SD) | 5.10 ±5.31 | 4.14 ±2.41 | NS |
| Sp02 (Means ±SD) | 92.71 ±10.50 | 92.02 ±4.51 | NS |
| Length hospital stay days (Means ±SD) | 4.92 ±4.02 | 5.81 ±3.57 | NS |
| Mortality | 0% | 8% | <0.01 |
| INTENSIVE CARE UNIT | n= 38 (13%) | n= 19 (23%) | 0.02 |
| Age (Means ±SD) | 44,11 ±12,52 | 55,35 ±14,13 | <0.01 |
| Pregnancy | 16% | 5% | NS |
| Obesity | 31% | 36% | NS |
| Means onset, symptoms days (Means ±SD) | 6.68 ±3.80 | 5 ±3.04 | NS |
| Sp02 (Means ±SD) | 87.2 ±8.75 | 87.71 ±10.7 | NS |
| Length hospital stay days (Means ±SD) | 10.21 ±12.28 | 13.5 ±9.66 | NS |
| Mechanical Ventilation | 92% | 74% | NS |
| Mortality | 50% | 42 | NS |