TABLE 7. Evolution of food intake at preoperative time and 1, 2, 3, 4, 5 and 10 years after Roux-en-Y gastric bypass.
n | Energy (kcal/day) | Protein (g/day) | Carbohydrate (g/day) | Lipid (g/day) | Calcium (mg/day) | Iron (mg/day) | Vitamin B12 (mg/day) | Folic acid (mg/day) | |
Preoperative | 72 | 1505.6±582.7 | 73.3±27.5 | 200.9±90.2 | 47.4±21.9 | 495.7±227.6 | 12.6±5.9 | 3.5±2.1 | 297.7±146.9 |
1 year PO | 72 | 965.2±274.6a | 43.6±13.6a | 131.4±51.2a | 30.8±11.0a | 596.8±248.5a | 6.5±1.7a | 2.2±1.3a | 218.3±121.4a |
2 years PO | 72 | 1005.8±365.4a | 46.0±16.5a | 133.6±56.5a | 33.3±14.9a | 487.8±258.8b | 6.9±2.7a | 2.1±1.2a | 184.9±109.6a |
3 years PO | 72 | 981.4±336.6a | 45.2±18.8a | 126.2±40.4a | 34.1±16.5a | 480.1±258.7b | 7.0±2.9a | 4.9±10.5a,b,c | 202.9±116.2a |
4 years PO | 72 | 949.3±343.2a | 46.1±15.0a | 122.9±54.0a | 31.8±15.2a | 421.8±205.9b | 7.1±2.5a | 2.7±3.6a,d,e | 193.7±85.9a |
5 years PO | 72 | 1014.2±338.4a | 44.8±20.3a | 130.4±45.6a | 37.7±15.4a | 465.8±286.0b | 6.8±2.2a | 2.0±1.3a,e | 186.8±110.5a |
10 years PO | 27 | 1300.9±581.0b,c,d,e | 59.7±26.1b | 164.8±90.7 | 44.8±23.1b,c,d,e | 528.1±355.5e,f | 8.3±4.4 | 3±2.6f | 109.7±85.9a,b,c,d,e,f |
PO=postoperative time; n=number of patients evaluated; a=p<0.05 compared to preoperative; b=p<0.05 compared to one year PO; c=p<0.05 compared to two years PO; d=p<0.05 compared to three years PO; e=p<0.05 compared to four years PO; f=p<0.05 compared to five years PO