Patients with community acquired pneumonia admitted to European intensive care units: an epidemiological survey of the GenOSept cohort

Table 2 Severity scoring, physiological variables and changes on chest radiographs

Clinical parameters	Number analysed	Median or number	IQR or %
Scoring
APACHE II score	1,166	20	15 to 25
SOFA II score	1,158	6	4 to 9
IDSA/ATS criteria for severe CAP	1,161	1,140	97.8%
Physiology
Highest temperature, °C	1,160	38.0	37.2 to 38.6
Lowest temperature, °C	1,160	36.4	35.8 to 37
Lowest SBP, mmHg	1,161	91	80 to 105
Lowest MAP, mmHg	1,156	64	56 to 72
Highest heart rate. bpm	1,161	118	101 to 130
Lowest heart rate. bpm	1,161	84	70 to 95
Highest WCC, ×10⁹/L	1,160	14.2	9.9 to 20.7
Lowest WCC, ×10⁹/L	1,160	12.5	8.3 to 18
Lowest platelet count, ×10⁹/L	1,160	197	142 to 266
Haematocrit, %	1089	34.7	30 to 39
Bicarbonate, mmol/L	1049	22	19 to 26
Lowest sodium, mmol/L	1,159	136	132 to 139
Lowest potassium, mEq/L	1,159	3.7	3.4 to 4.2
PCO₂, mmHg	1,144	24	5.5 to 40
pH	1,150	7.33	7.24 to 7.42
Serum bilirubin, μmol/L	1,135	13	8 to 20
Urea, μmol/L	1,068	11	6.8 to 20
Urine volume, cL/day	1,153	155	90 to 236.5
Creatinine, μmol/L	1,161	100	72 to 157
Respiratory rate, bpm	1,154	27	18 to 35
P:F ratio, mmHg	1,150	132	86 to 200
Renal failure during week 1 in ICU	1,161	411	37.1
Need for RRT during week 1 in ICU	1,161	189	17.2
Mechanical ventilation during week 1 in ICU	1,161	962	85.0
Septic shock on admission	1,161	573	49.4
Admission CXR changes	1166
Lobar pattern on CXR		507	43.7
Localised pattern on CXR		290	25
Diffuse bilateral changes on CXR		340	29.3

All measurements recorded on day 1 of admission to the ICU unless stated otherwise. APACHE, acute physiology and chronic health evaluation; P:F ratio, ratio of the partial pressure to fractional inspired concentration of oxygen; SOFA. sequential organ failure assessment; IDSA/ATS, Infectious Diseases Society of America/American Thoracic Society; SBP, systolic blood pressure; MAP, mean arterial pressure; WCC, white cell count; CXR, chest radiograph.

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