| Pneumonia N=56 |
Other LRTIs N=29 |
p Value | p Value* | |
|---|---|---|---|---|
| Clinical findings | ||||
| Days of illness | 3 (2-5) | 5 (3-7) | 0.14 | |
| Previous antibiotic treatment | 14 (25) | 11 (38) | 0.21 | |
| Acute onset | 27 (48) | 4 (14) | 0.00 | 0.39 |
| Chills | 24 (43) | 7 (24) | 0.08 | |
| Cough | 46 (82) | 24 (82) | 0.94 | |
| Sputum | 26 (46) | 14 (48) | 0.87 | |
| Pleuritic chest pain | 20(36) | 6 (21) | 0.15 | |
| Physical findings | ||||
| Confusion | 10 (18) | 1(3) | 0.05 | |
| Body temperature (ºC) | 37.3 (36.4-38) | 37 (36.6-37.7) | 0.27 | |
| Systolic blood pressure (mmHg) | 118 (91-139) | 127 (108-142) | 0.20 | |
| Heart rate (beats/min) | 100 (80-111) | 89 (77-101) | 0.03 | 0.08 |
| Respiratory rate (breaths/min) | 28 (20-36) | 24 (24-29) | 0.97 | |
| Rales | 36 (64) | 4 (14) | 0.00 | 0.01 |
| Laboratory | ||||
| WCC (white cell count) (x109) | 12.3 (7.7-17.3) | 11.5 (7.7-14.4) | 0.37 | |
| Haematocrit % | 41 (36-45) | 41 (35-47) | 0.89 | |
| Urea mg/dL | 56 (40-81) | 37 (28-76) | 0.05 | |
| Sodium mmol/L | 138 (133-140) | 138 (136-140) | 0.77 | |
| pO2 (mm Hg) | 62 (54-79) | 64 (53-75) | 0.86 | |
| C-reactive protein (mg/L) | 222 (149-278) | 102 (59-152) | 0.00 | 0.01 |
| MR-proADM (nmol/L) | 1.46 (0.82-2.02) | 0.88 (0.71-1.39) | 0.04 | 0.03 |
| MR-proANP (pmol/L) | 233 (115-398) | 259 (110-399) | 0.88 | |