Related by context. Frequent words. (Click for all words.) 61 EEGs 60 electroencephalogram 58 echocardiographic 57 neuropsychological tests 56 electrophysiological 56 electrocardiogram ECG 54 Radiographic 53 ABPM 53 spirometry 52 nerve conduction 52 sleep disordered breathing 52 preoperatively 52 ultrasonography 51 substudy 51 Postoperative 51 oral glucose tolerance 51 coronary angiography 50 neuropsychological testing 50 postoperatively 50 ANOVA 50 DXA 50 symptom severity 50 daytime sleepiness 50 neuropsychological 50 fMRI 50 echocardiography 50 ankle brachial index 50 echocardiogram 49 MMSE 49 EEG 49 oxygen saturation 49 subscales 49 pulmonary function 49 oximetry 49 retrospective cohort study 49 Secondary endpoints 49 RLS symptoms 48 electrocardiograms 48 D dimer 48 DAS# [002] 48 digital rectal examination 48 cystoscopy 48 logistic regression 48 radiologic 48 radiographic 48 airflow obstruction 47 covariates 47 ambulation 47 Main Outcome Measures 47 angiography 47 brain scans 47 anticoagulation therapy 47 apnea 47 coronary artery calcium 47 ECGs 47 Echocardiography 47 LVEF 47 RECIST criteria 47 intravascular ultrasound IVUS 47 angiographic 47 obstructive sleep apnea 46 excessive daytime sleepiness 46 ± SD 46 electrocardiogram 46 serum creatinine 46 sonographic 46 liver biopsy 46 functional magnetic resonance 46 fasting insulin 46 computerized tomography 46 Secondary endpoints include 46 Secondary endpoints included 46 colposcopy 46 thrombolytic therapy 46 single photon emission 46 neurophysiological 46 myocardial perfusion 46 PANSS 46 CPAP therapy 45 MRI scans 45 biofeedback 45 comorbid conditions 45 fMRI scans 45 nocturia 45 myocardial perfusion imaging 45 observational study 45 systolic 45 neurocognitive 45 Sonography 45 hemoglobin A1C 45 depressive symptoms 45 flexible sigmoidoscopy 45 imaging fMRI 45 measurements 45 obstructive sleep apnea OSA 45 sleepiness 45 dyspnea 45 positron emission tomography PET 45 MR imaging 45 CPAP 45 Preoperative