Volume 21, Number 3—March 2015
Research
Mycoplasma pneumoniae and Chlamydia spp. Infection in Community-Acquired Pneumonia, Germany, 2011–2012
Table 1
Demographic and clinical characteristics of patients with community-acquired pneumonia whose respiratory tract samples were tested for Mycoplasma pneumoniae, Germany, 2011–2012*
Characteristic | All, n = 783 | M. pneumoniae–positive, n = 96 | M. pneumoniae–negative, n = 687 | p value† |
---|---|---|---|---|
Median age, y (range) | 61 (18–102) | 39.5 (18–84) | 64 (18–102) | <0.001 |
Male sex | 56.8 | 43.8 | 58.7 | 0.008 |
BMI (range) |
25.6 (13.9–56.5) |
24.2 (18.8–44.5) |
25.8 (13.9–56.5) |
|
Co-occurring conditions | ||||
Chronic pulmonary disease | 19.2 | 6.2 | 23.1 | <0.001 |
Chronic renal disease | 19.2 | 0 | 20.6 | 0.004 |
Chronic heart failure | 26.1 | 11.3 | 27.2 | |
Diabetes mellitus | 24.9 | 11.1 | 25.9 | |
Cerebro-vascular disease |
9.5 |
3.7 |
9.3 |
|
CURB scores‡ | <0.001 | |||
0 | 57.3 | 77.0 | 54.7 | |
1 | 31.0 | 21.8 | 32.2 | |
2 | 10.5 | 1.1 | 11.8 | |
3 | 1.2 | 0 | 1.4 | |
4 |
0 |
0 |
0 |
|
Antimicrobial drug pretreatment | 29.3 | 51.0 | 26.2 | <0.001 |
Macrolides |
8.0 |
7.3 |
8.3 |
§ |
Mortality rate | ||||
28 d | 1.8 | 0 | 2.0 | |
180 d | 4.6 | 0 | 5.2 |
*Values are percentages except as indicated. BMI, body mass index.
†Only significant values are shown. Comparison between M. pneumoniae-positive and -negative patients by χ2 or Mann-Whitney U test as appropriate.
‡Clinical evaluation of the following risk factors (each scores 1 point): Confusion; blood Urea >7 mmol/L; Respiratory rate ≥30 bpm; Blood pressure <90 (systolic) or ≤60 mm Hg (diastolic).
§Also no significant differences for any other antimicrobial drug classes.
1Joint senior authors.
2Members of the CAPNETZ Study Group are listed at the end of this article.