Table 3.
Survey results regarding the questions about the goals and components of cytoreductive surgery and the type of resections
| A: Survey results regarding the question ‘What is your goal of surgery in cytoreductive surgery for advanced-stage ovarian cancer?’, stratified by income category | |||||
| High-income | Upper-middle income | Lower-middle and low-income | Total | P value (χ2 ) | |
| Macroscopic disease <1 cm | 40 (8.2) | 37 (12.2) | 75 (27.8) | 152 (14.4) | <0.001 |
| Macroscopic disease <2.5 mm | 10 (2.1) | 17 (5.6) | 23 (8.5) | 50 (4.7) | |
| No macroscopic disease | 427 (87.9) | 248 (81.8) | 166 (61.5) | 841 (79.4) | |
| Other | 9 (1.9) | 1 (0.3) | 6 (2.2) | 16 (1.5) | |
| B: Survey results regarding the question ‘In order to achieve your goal of surgery, what types of resections would you routinely perform?’, stratified by income category | |||||
| High- income | Upper-middle income | Lower middle and low-income | Total |
P value
(χ2) |
|
| Macroscopic disease only | 359 (73.9) | 195 (64.4) | 160 (59.3) | 714 (67.4) | <0.001 |
| Macroscopic and possible microscopic disease | 122 (25.1) | 106 (35.0) | 108 (40.0) | 336 (31.7) | |
| Unable to answer | 5 (1.0) | 2 (0.6) | 2 (0.7) | 9 (0.9) | |
| C: Survey results regarding the question ‘What surgical procedures are performed, if required, to achieve your goal of surgery? Multiple answers possible’, stratified by income category | |||||
| Resections |
High-income
Yes, n (%) |
Upper-middle income
Yes, n (%) |
Lower-middle and low-income
Yes, n (%) |
Total
Yes, n (%) |
P value (χ 2 ) |
| Uterus/ tubes/ovaries and infra-colic omentum | 473 (97.3) | 286 (94.4) | 263 (97.8) | 1023 (96.6) | 0.040 |
| Large/small bowel | 461 (94.9) | 227 (74.9) | 189 (70.0) | 878 (82.9) | <0.001 |
| Upper abdominal viscera/disease (spleen, liver, distal pancreas, disease at porta hepatis) | 371 (76.3) | 170 (56.1) | 101 (37.4) | 645 (60.9) | <0.001 |
| Diaphragm stripping and/or resection | 401 (82.5) | 164 (54.1) | 108 (40.0) | 673 (63.6) | <0.001 |
| Total peritonectomy | 213 (43.8) | 146 (48.2) | 106 (39.3) | 465 (43.9) | 0.099 |
| Other (free text) | Total yes: excision abnormal nodes 47 (4.4%), thoracic procedures 18 (1.7%), peritoneal ablation 1 (0.1%), partial peritonectomy 16 (1.5%) | Not analyzed | |||