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Table 1 Background demographic, Pre-operative Markwalder Chronic Subdural Hematoma Grading Scale (MGS), Post-operative Glasgow Outcome Scale (GOS) and Post-operative complications

From: Steroid for chronic subdural hematoma? A prospective phase IIB pilot randomized controlled trial on the use of dexamethasone with surgical drainage for the reduction of recurrence with reoperation

  Surgery only (control arm) Surgery and steroid (intervention arm) All p value
Age 70.8 71.9 71.3  
Female 38/126 (30.2 %) 33/122 (27.0 %) 71  
Pre-operative plan CT brain scan findings    
 Right 42/126 (33.3 %) 49/122 (40.2 %) 91 0.325
 Left 52/126 (41.3 %) 58/122 (47.5 %) 110 0.387
 Bilateral 32/126 (25.4 %) 15/122 (12.3 %) 47 0.013
 Thickness 20.3 mm 22 mm 21.1 mm  
Pre-operative Markwalder Chronic Subdural Hematoma Grading Scale (MGS) upon presentation    
 Grade I 89/126 (70.6 %) 99/122 (81.1 %) 188 0.074
 Grade II 34/126 (26.9 %) 20/122 (16.4 %) 54 0.062
 Grade III 3/126 (2.38 %) 3/122 (2.46 %) 6 0.709
 Re-drainage rate 17/126 (13.5 %) 8/122 (6.56 %) 25 0.109
Post-operative Glasgow Outcome Scale (GOS)    
 GOS 5 (good recovery) 91/126 (72.2 %) 99/122 (81.1 %)   0.131
 GOS 4 (moderate disability) 14/126 (11.1 %) 5/122 (4.10 %)   0.066
 GOS 3 (severe disability) 16/126 (12.7 %) 15/122 (12.3 %)   0.924
 GOS 2 (vegetative state) 2/126 (1.59 %) 0/122 (0 %)   0.492
 GOS 1 (death) 3/126 (2.38 %) 3/122 (2.46 %)   0.709
Post-operative complications    
 Chest infection 1/126 (0.79 %) 5/122 (4.10 %)   0.201
 Post-op fever 1/126 (0.79 %) 1/122 (0.82 %)   0.492
 UTI 1/126 (0.79 %) 0/122 (0 %)   0.987
 Wound infection 1/126 (0.79 %) 0/122 (0 %)   0.987
 Subdural empyema 0/126 (0 %) 1/122 (0.82 %)   0.987