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Table 1 Baseline data for all patients (n = 544) with respect to the underlying diagnosis

From: Which patients with lower respiratory tract infections need inpatient treatment? Perceptions of physicians, nurses, patients and relatives

  P value**
  CAP
Low Risk
(n = 181)
CAP
high Risk
(n = 215)
Acute bronchitis
(n = 45)
Exacerbation of COPD
(n = 103)
 
Demographics      
   - Age (years, ǂ)* 61 (47-74) 80 (73-85) 73 (60-82) 76 (65-82) <0.001
   - Gender (%, male)* 87 (48.1) 138 (64.2) 20 (44.4) 60 (58.3) 0.004
   - Nursing home resident (%)* 5 (2.8) 16 (7.4) 2 (4.4) 7 (6.8) 0.14
Clinical signs      
   - Systolic Blood pressure (mmHg)* 130 (118-150) 130 (117-146) 136 (120-150) 139 (120-150) 0.34
   - Pulse rate (bpm)* 98 (80-108) 95 (80-110) 84 (71-100) 91 (82-105) 0.034
   - Respiratory rate (bpm)* 20 (16-24) 20 (16-30) 20 (16-24) 24 (18-28) <0.001
   - Temperature (°C)* 38.2 (37.4-38.8) 38.1 (37.4-38.9) 37.1 (36.7-38.2) 37.2 (36.5-38.0) <0.001
Comorbidity      
   - Chronic heart failure* 6 (3.3) 64 (29.8) 7 (15.6) 16 (15.5) <0.001
   - Cerebrovascular disease* 6 (3.3) 27 (12.6) 4 (8.9) 8 (7.8) 0.01
   - Renal dysfunction* 15 (8.3) 70 (32.6) 16 (35.6) 19 (18.4) <0.001
   - Neoplastic disease* 4 (2.2) 53 (24.7) 6 (13.3) 9 (8.7) <0.001
   - Pneumopathy 47 (26.0) 81 (37.7) 0 (0) 103 (100) <0.001
   - Diabetes mellitus 22 (12.2) 46 (21.4) 8 (17.8) 21 (20.4) 0.092
30 days outcome      
   - Length of hospital stay (ǂ) 7 (5-11) 10 (7-15) 6 (4-10) 8 (5-12) <0.001
   - Mortality (%) 1 (0.6) 12 (5.6) 1 (2.2) 4 (3.9) 0.051
   - ICU admission (%) 10 (5.5) 25 (11.6) 2 (4.4) 6 (5.8) 0.063
  1. *criteria included in the PSI, ǂ median (Interquartile range IQR)
  2. CAP denotes community acquired pneumonia, low risk PSI includes PSI classes I-III, high risk PSI includes PSI classes IV-V, COPD chronic obstructive pulmonary disease, ICU Intensive Care Unit
  3. **P values are calculated from Kruskal-Wallis or Chi-Square tests