2Lau JY, Sung J, Hill C, et al. Systematic review of the epidemiology of complicated peptic ulcer disease: incidence, recurrence, risk factors and mortality [ J]. Digestion, 2011,84 (2) :102-113.
5Srygley FD, Gerardo CJ, Tran T, et al. Does this patient have a severe upper gastrointestinal bleed? [ J ]. JAMA, 2012, 307 (10) : 1072-1079.
6Bai Y, Du YQ, Wang D, et al. Peptic ulcer bleeding in China:a multicenter endoscopic survey of 1006 patients [J]. J Dig Dis, 2014,15(1 ) :5-11.
7Rockall TA, Logan RF, Devlin HB, et al. Risk assessment after acute upper gastrointestinal haemorrhage [ J ]. Gut, 1996,38 ( 3 ) : 316-321.
8Blatchford O, Murray WR, Blatchford M. A risk score to predict need for treatment for upper-gastrointestinal haemorrhage [ J ]. Lancet, 2000,356(9238) : 1318-1321.
9Stanley A J, Dalton HR, Blatchford O, et al. Muhicentre comparison of the Glasgow Blatchford and Rockall Scores in the prediction of clinical end-points after upper gastrointestinal haemorrhage[ J]. Aliment Pharmacol Ther, 2011,34(4) :470- 475.
10Sahzman JR, Tabak YP, Hyett BH, et al. A simple risk scoreaccurately predicts in-hospital mortality, length of stay, and cost in acute upper GI bleeding [ J ]. Gastrointest Endosc, 2011,74 (6) :1215-1224.