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Table 4 Comparison of outpatients and hospitalized patients with Mycoplasma pneumoniae pneumonia

From: Mycoplasma pneumoniaepneumonia revisited within the German Competence Network for Community-acquired pneumonia (CAPNETZ)

Variable Outpatients
N = 171
p value Hospitalized patients
N = 136
Age [ ± SD] 38 ± 13.1 .000 45 ± 18.4
Male gender 44% .320 38%
CRB – 65 score    
0 79% .002 64%
1 – 2 20%/1%   30%/5%
3 – 4 0   1% - 0
Smoker 39% .185 32%
COPD 18% .239 23%
Diabetes 0.6% .013 5.1%
Malignancy 2% .946 2%
CRP median (mg/l) 33 .000 90
Leucocytes median (103/μl) 7900 .000 10300
Respiratory sample available 68% .000 46%
Serum available 98% .112 94%
Received antibiotic therapy active against atypical bacteria 64% .306 70%
Length of antimicrobial therapy (days) 10.6 ± 4.1 .026 11.6 ± 3.6
Dyspnoea 60% .000 80%
O 2 application 2% .000 55%
Died (30 day mortality) 0 .112 2 patients