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Table 1 Demographic and clinical characteristics of patients, mean (SD)

From: The learning curve of one anastomosis gastric bypass and its impact as a preceding procedure to Roux-en Y gastric bypass: initial experience of one hundred and five consecutive cases

  OAGB Group A (N = 47) OAGB Group B (N = 26) RYGB Group C (N = 32) p-value
Age (years) 39.4 ± 11.3 42.2 ± 12.7 34.2 ± 9.4 0.021
Sex, n (%)     0.040
 Male 23 (48.9) 19 (73.1) 13 (40.6)  
 Female 24 (51.1) 7 (26.9) 19 (59.4)  
Preoperative weight (kg) 116.1 ± 23.9 127.3 ± 18.4 104.8 ± 15.9 <  0.001
BMI (kg/m2) 41.8 ± 7.6 43.3 ± 5.8 37.7 ± 3.1 0.002
Comorbidities, n (%) 38 (80.9) 23 (88.5) 24 (75.0) 0.430
Diabetes mellitus, n (%) 14 (29.8) 13 (50.0) 9 (28.1) 0.149
Hypertension, n (%) 21 (44.7) 16 (61.5) 7 (21.9) 0.008
Dyslipidemia, n (%) 25 (53.2) 16 (61.5) 19 (59.4) 0.752
GERD, n (%) 9(19.1) 8(30.8) 15(46.9) 0.032
  1. Data are expressed as the mean ± standard deviation
  2. OAGB one anastomosis gastric bypass, RYGB Roux-en Y gastric bypass, BMI body mass index, GERD gastroesophageal reflux disease