Table 1 Clinical characteristics of patients.
Characteristics | PM(n = 58) | IPA(n = 49) | P value |
|---|---|---|---|
Age (years) | 51 ± 15 | 59 ± 13 | 0.006 |
Male | 39(67.2) | 32(65.3%) | 0.841 |
Smoking | 20(34.5) | 20(40.8%) | 0.551 |
Duration in days of preadmission symptoms | 28 (21–36) | 25 (15–35) | 0.056 |
Antibiotic pretreatment | 58 (100%) | 43 (87.8%) | 0.008 |
Laboratory results | |||
WBC (×109/L) | 6.9 ± 3.8 | 7.1 ± 3.2 | 0.798 |
CRP (mg/L) | 53.9(14.6-162.5) | 24.4(6.7–81.2) | 0.075 |
PCT (mg/L) | 0.2(0.1–0.3) | 0.1(0.1–0.2) | 0.27 |
IL-6 (ng/L) | 28.4(9.3–70.3) | 17.9(4.9–53.4) | 0.219 |
Hemoglobin (g/L) | 100.9 ± 24.0 | 116.3 ± 26.7 | 0.004 |
Hospital stays (days) | 41(23–59) | 18(12–25) | < 0.001 |
Mortality | 9(15.5%) | 1(2.2%) | 0.04 |