Table 3.
Number of correctly answered questions
| Questions | Total (n = 219) | Preoperative (n = 109) | Postoperative (n = 110) | Statistical analysis, χ2 | |
|---|---|---|---|---|---|
| 1 | Lifelong necessity to follow dietary recommendations | 87.7% (192) | 92.7% (101) | 82.7% (91) | χ2 = 5.363 df = 2 p = 0.068 |
| 2 | Complication caused by smoking | 83.1% (182) | 86.2% (94) | 80.0% (88) | χ2 = 2.527 df = 2 p = 0.283 |
| 3 | Dietary change after surgery | 93.6% (205) | 97.2% (106) | 90.0% (99) | χ2 = 5.235 df = 2 p = 0.073 |
| 4 | Medication to prevent gastric ulcer | 76.3% (167) | 67.9% (74) | 84.5% (93) | χ2 = 8.389 df = 2 p = 0.015 |
| 5 | Need of long-term follow-up | 96.8% (212) | 99.1% (108) | 94.5% (104) | χ2 = 3.738 df = 2 p = 0.154 |
| 6 | Dealing with complaints after surgery | 84.0% (184) | 83.5% (91) | 84.5% (93) | χ2 = 1.135 df = 2 p = 0.567 |
| 7 | Effect of physical activity after surgery | 95.0% (208) | 94.5% (103) | 95.5% (105) | χ2 = 0.106 df = 1 p = 0.745 |
| 8 | Reasons for dumping syndrome | 77.6% (170) | 83.5% (91) | 71.8% (79) | χ2 = 7.429 df = 2 p = 0.024 |
| 9 | Typical complaints of dumping syndrome1 | 32.0% (70) | 29.4% (32) | 34.5% (39) | χ2 = 0.844 df = 2 p = 0.656 |
| 10 | Side effects of gastric bypass1 | 37.9% (83) | 34.9% (38) | 40.9% (45) | χ2 = 4.036 df = 2 p = 0.133 |
| 11 | Need for supplementation of vitamins and minerals | 98.6% (216) | 99.1% (108) | 98.2% (108) | χ2 = 0.329 df = 1 p = 0.566 |
| 12 | Recommended vitamins after surgery | 89.5% (196) | 87.2% (95) | 91.8% (101) | χ2 = 1.653 df = 2 p = 0.438 |
| 13 | Vitamin that needs to be injected | 93.2% (204) | 88.1% (96) | 98.2% (108) | χ2 = 8.773 df = 2 p = 0.012 |
| 14 | Recommended minerals after surgery | 69.4% (152) | 54.1% (59) | 84.5% (93) | χ2 = 26.550 df = 2 p > 0.001 |
| 15 | Eating and drinking immediately after surgery | 95.0% (208) | 96.3% (105) | 93.6% (103) | χ2 = 0.833 df = 1 p = 0.361 |
| 16 | Drinking after surgery | 79.5% (174) | 82.6% (90) | 76.4% (84) | χ2 = 1.291 df = 1 p = 0.256 |
| 17 | Beverages recommended after surgery | 78.5% (172) | 8.4% (92) | 72.7% (80) | χ2 = 6.094 df = 2 p = 0.048 |
| 18 | Meals recommended after surgery | 78.5% (172) | 87.2% (95) | 70.0% (77) | χ2 = 9.923 df = 2 p = 0.007 |
| 19 | Daily protein requirement after surgery | 70.8% (155) | 73.4% (80) | 68.2% (75) | χ2 = 1.770 df = 2 p = 0.413 |
| 20 | Food recommended to meet protein demand | 95.9% (210) | 96.3% (105) | 95.5% (105) | χ2 = 0.995 df = 2 p = 0.608 |
| 21 | Carbohydrate intake after surgery1 | 60.7% (133) | 64.2% (70) | 57.3% (63) | χ2 = 1.256 df = 2 p = 0.534 |
| 22 | Alcohol consumption after surgery1 | 36.5% (80) | 36.7% (40) | 36.4% (40) | χ2 = 0.724 df = 2 p = 0.696 |
| 23 | Food not recommended after surgery | 98.2% (215) | 99.1% (108) | 97.3% (107) | χ2 = 1.333 df = 2 p = 0.513 |
| 24 | Eating behavior after surgery | 89.5% (196) | 92.7% (101) | 86.4% (95) | χ2 = 2.758 df = 2 p = 0.252 |
| 25 | What is removed by gastric bypass | 69.9% (153) | 75.2% (82) | 64.5% (71) | χ2 = 6.215 df = 2 p = 0.045 |
| 26 | Questions about laparoscopy | 83.1% (182) | 83.5% (91) | 82.7% (91) | χ2 = 2.521 df = 2 p = 0.283 |
| 27 | What happens to the stomach by gastric bypass | 57.5% (126) | 63.3% (69) | 51.8% (57) | χ2 = 4.451 df = 3 p = 0.217 |
| 28 | Number of anastomoses in gastric bypass surgery1 | 41.6% (91) | 46.8% (51) | 36.4% (40) | χ2 = 2.468 df = 2 p = 0.291 |
| 29 | Number of anastomoses in sleeve gastrectomy1 | 51.1% (112) | 59.6% (65) | 42.7% (47) | χ2 = 6.262 df = 2 p = 0.044 |
| 30 | Ability to undo the surgery | 68.0% (149) | 77.1% (84) | 59.1% (65) | χ2 = 25.485 df = 3 p > 0.001 |
| 31 | Improvement of comorbidities1 | 50.7% (111) | 48.6% (53) | 52.7% (58) | χ2 = 0.384 df = 2 p = 0.825 |
| 32 | Expected weight loss with gastric bypass | 70.3% (154) | 78.9% (86) | 61.8% (68) | χ2 = 15.163 df = 2 p = 0.001 |
Values are presented as % (n).
≤50% of participants answered this question correctly.