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Table 1 Comparison between the two groups regarding demographic data

From: Drainage of transudative pleural effusion: how does it affect weaning from mechanical ventilation?

  Group 1 [n (%)] Group 2 [n (%)] P value
Age
 Minimum–maximum 50–79 51–74 0.988
 Mean ± SD 63.33 ± 7.317 63.03 ± 5.744  
Sex
 Male 16 (53.3) 16 (53.3) 1.000
 Female 14 (46.7) 14 (46.7)  
Renal failure
 Present 11 (36.7) 5 (16.7)  
 Absent 19 (63.3) 11 (83.3)  
Hypoalbuminemia
 Present 13 (43.3) 13 (43.3) 1.000
 Absent 17 (56.7) 17 (56.7)  
CHF
 Present 14 (46.66) 15 (50)  
 Absent 16 (53.33) 15 (50)  
  1. CHF congestive heart failure