References

  1. Shuhaiber JH, Hank Robless P, Whitehead SM. POSSUM for the prediction of mortality and morbidity in infra-renal abdominal aortic aneurysm repair: the Hastings experience. Eur J Vasc Endovasc Surg. 2001;22(2):180-2. PubMed | Google Scholar

  2. Chieng TH, Roslan Aah JA. Risk-adjusted analysis of patients undergoing laparotomy using POSSUM and P-POSSUM score in Queen Elizabeth Hospital, Sabah.Med J Malaysia. 2010;65(4):286-90. PubMed | Google Scholar

  3. Banu P, Popa F, Conn VD, Balalau C. Predictive value of POSSUM score in surgery of acute abdomen in cirrhotic patients. J Med Life.2013;6(4):472-6. PubMed | Google Scholar

  4. Merani S, Pavne J, RS, Hudson D, Widder SL, Khadaroo RG. Predictors of in-hospitalmortality and complications in veryelderly patients undergoing emergency surgery. World J Emerg Surg.2014;9:43. PubMed | Google Scholar

  5. Cook TM, Britton DC, Craft TM, Jones CB, Horrocks M. An audit of hospital mortalityafter urgent and emergency surgery in the elderly. Ann R Coll Surg Engl.1997; 79(5):361-7. PubMed | Google Scholar

  6. Hartley MN, Sagar PM.The surgeon's "gut feeling" as a predictor of postoperativeoutcome. Ann R Coll Surg Engl.1994;76(6Suppl):277-8. PubMed | Google Scholar

  7. Bromage SJ, Cunliffe WJ. Validation of the CR-POSSUM risk-adjusted scoring system for major colorectal cancer surgery in a single center. Dis Colon Rectum. 2007;50(2):192-6. PubMed | Google Scholar

  8. Khan AW, Shah SR, Agarwal AK, Davidson BR. Evaluation of the POSSUM scoring system for comparative audit in pancreatic surgery. Dig Surg. 2003;20(6):539-45. PubMed | Google Scholar

  9. Wakabayashi H, Sano T, Yachida S, Okano K, Izuishi K, Suzuki Y. Validation of risk assessment scoring systems for an audit of elective surgery for gastrointestinal cancer in elderly patients: an audit. Int J Surg. 2007;5(5):323-7. PubMed | Google Scholar

  10. Green G, Shaikh I, Fernandes R, Wegstapel H. Emergency laparotomy in octogenarians: A 5-year study of morbidity and mortality. World j Gastrointest surg. 2013;5(7):216. PubMed | Google Scholar

  11. Kodama H, Narita H, Kobayashi M, Yamamoto K, Komori K. Usefulness of POSSUM physiological score for the estimation of morbidity and mortalityriskafterelective abdominal aorticaneurysmrepair in Japan. Circ J. 2011 ;75(3):550-6. PubMed | Google Scholar