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Table 2 Results of 24 months aspiration therapy on weight presented as per protocol and as intention to treat with last value carried forward

From: Aspiration therapy for obesity; a safe and effective treatment

Weight data
Mean (SD)
Baseline 12 months p 24 months p
Per protocol n = 25 n = 20   n = 15  
 Weight (kg) 107.4 (18.7) 86.1 (15.5) <0.01 83.4 (14.2) <0.01
 BMI (kg/m2) 39.8 (4.3) 32.1 (5.4) <0.01 31.1 (5.1) <0.01
 Excess weight (kg) 40.2 (13.8) 19.0 (14.8) <0.01 16.1 (13.7) <0.01
 Excess weight loss (%) N.A. 54.4 (28.8) N.A. 61.5 (28.5) N.A.
Intention to treat
(Last value carried forward)
n = 25 n = 25   n = 25  
 Weight (kg) 107.4 (18.7) 88.4 (16.9) <0.01 89.3 (16.9) <0.01
 BMI (kg/m2) 39.8 (4.3) 32.9 (5.3) <0.01 33.2 (5.2) <0.01
 Excess weight (kg) 40.2 (13.8) 21.2 (14.9) <0.01 22.1 (14.8) <0.01
 Excess weight loss (%) N.A. 44.5 (28.8) N.A. 44.9 (30.5) N.A.