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. 2019 Oct 21;32(3):e1453. doi: 10.1590/0102-672020190001e1453

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