International Scholarly Research Notices / 2012 / Article / Tab 1 / Research Article
Assessment of Some Inflammatory Biomarkers as Predictors of Outcome of Acute Respiratory Failure on Top of Chronic Obstructive Pulmonary Disease and Evaluation of the Role of Bacteria Table 1 Baseline clinical characteristics of the patients.
Baseline characteristics Cases Percentage (%) Age (years) Mean ± SD (range) 56.61 ± 7.87 (45–81) Gender Male/female 26/7 (79%)/(21%) Smoking status Current smokers 11 (33%) Ex-smokers 15 (46%) Passive smokers 7 (21%) Smoking index (p/yr) Mean ± SD (range) 40.25 ± 23 (10–120) BMI (kg/m2) Mean ± SD (Range) 28.8 ± 8 (12.7–42) Presence of comorbidities 18 (54%) Hypertension 13 (37%) Diabetes mellitus 7 (21%) Others 6 (17%) Ischemic heart disease 3 (9.1%) History of deep vein thrombosis 2 (6.1%) Liver cirrhosis 1 (3%) Sleep apnea syndrome (OSA) 10 (30.3%) History of exacerbation Less than or 3 times/year 11 (33%) Previous mechanical ventilation 3 (9%) More than 3 times/year 22 (67%) Previous mechanical ventilation 6 (18%)
OSA: obstructive sleep apnea, p/yr: pack/year.