Table 3 Univariate and multivariate analysis of the clinical characteristics of excluded CAP patients without extra-pulmonary infections compared to definite CAP patients
Patient characteristics n (%) or median IQR | Total | Excluded CAPa | Definite CAP | p | OR | p |
|---|---|---|---|---|---|---|
N = 157 | N = 59 | N = 98 | [95 % CI] | |||
Cough | 122 (77.7) | 41 (69.5) | 81 (82.7) | 0.047 | - | |
Chest pain | 53 (33.7) | 16 (27.1) | 37 (37.8) | 0.168 | - | |
Expectoration | 78 (49.7) | 27 (45.8) | 51 (52.0) | 0.509 | - | |
Dyspnea | 111 (70.7) | 44 (74.6) | 67 (68.4) | 0.471 | - | |
Chills | 52 (33.1) | 21 (35.6) | 31 (31.6) | 0.727 | - | |
Headaches | 33 (21.0) | 9 (15.2) | 24 (24.5) | 0.225 | - | |
Myalgia | 35 (22.3) | 11 (18.6) | 24 (24.5) | 0.432 | - | |
Crackles | 49 (31.2) | 13 (22.0) | 36 (36.7) | 0.051 | - | |
Fever | 51 (32.5) | 10 (16.9) | 41 (41.8)) | 0.001 | 3.15 [1.29-7.73] | 0.012 |
Confusion | 0 | 0 | 0 | - | - | |
Respiratory rate > 30/min | 19 (12.1) | 7 (11.9) | 12 () | 0.856 | - | |
Heart rate > 125/min | 11 (7.0) | 2 (3.4) | 9 (9.2) | 0.211 | - | |
Systolic blood pressure < 90 mmHg | 3 (1.9) | 0 | 3 (3.1) | 0.292 | - | |
Diastolic blood pressure < 60 mmHg | 10 (6.4) | 1 () | 9 (9.2) | 0.091 | - | |
White blood cells > 10.103 /mm3 | 86 (54.8) | 22 (37.3) | 64 (65.3) | 0.004 | - | |
PaO2 < 60 mmHg or Sat02 < 90 % | 18 (11.4) | 6 (10.1) | 12 (12.2) | 0.799 | - | |
CRP | 74 [21.3 – 146.1] | 17.3 [3.6 – 57.5] | 125.1 [65.0 - 208.7] | <0.001 | 1.02 [1.01-1.03] | <0.001 |
PCT | 0.17 [0.07 – 0.72] | 0.09 [0.06 - 0.28] | 0.24 [0.11 - 1.38] | <0.001 | - | - |