Table 4 Results of POSSUM morbidity calculation (R2) compared to morbidity rate (outcome 2, 3 and 4) of 137 patients with gastrectomy and D2-lymphadenectomy.
From: Evaluation of POSSUM scoring system in patients with gastric cancer undergoing D2-gastrectomy
POSSUM Risk of Morbidity R2 | Patients | Expected morbidity | observed severe morbidity and mortality Outcome (3 + 4) | observed morbidity and mortality Outcome (2 – 4) | |||
|---|---|---|---|---|---|---|---|
| Â | % | n | n | n | % | n | % |
|  | 0 – 30 | 2 | 0 | 0 | 0 | 0 | 0 |
|  | 31 – 40 | 12 | 3,9 | 3 | 25,0 | 4 | 25,0 |
|  | 41 – 50 | 14 | 6,6 | 1 | 7,1 | 2 | 14,3 |
|  | 50 – 60 | 19 | 10,6 | 2 | 10,5 | 3 | 15,8 |
low risk | 0 – 60 | 47 |  | 6 | 12, 8 | 9 | 19, 1 |
|  | 61 – 70 | 21 | 14,9 | 2 | 9,5 | 8 | 38,1 |
|  | 71 – 80 | 35 | 25,7 | 7 | 20,0 | 14 | 40,0 |
|  | 81 – 90 | 28 | 22,4 | 7 | 25,0 | 10 | 35,7 |
|  | 91–100 | 6 | 5,7 | 5 | 83,3 | 6 | 100,0 |
high risk | > 60 | 90 | Â | 21 | 23, 3 | 38 | 43, 3 |
| Â | Total | 137 | Â | 27 | Â | 47 | Â |