نتایج جستجو برای: survival time
تعداد نتایج: 2162673 فیلتر نتایج به سال:
background: with the increased range of medical insurance coverage in china, the proportion of medical expenditure shouldered by individuals is declining. the problem is the rapidly growing scale of medical expenditures challenges the sustainability of medical insurance funds. methods: this study used the heckman selection model, survival analysis, and ordered probit model to evaluate the effec...
This experiment was carried out to examine the effect of temperature on egg incubation period, exogenous feeding onset, growth and survival of the zebra cichlid , Cichlasoma nigrofasciatum larvae with two replications. Experiment was conducted in four groups of brood stocks with Four temperatures with two replications 22-24 °C, 24-26 °C, 26-28 °C and 28-30 °C. After ovulation brood stocks were ...
Background and Aim: Many researchers have studied survival (time to death) of gastric cancer patients. Although gastric cancer diagnosed in early stages can be cured by surgery, chance of relapse still exists after operation. Hence, we should consider both events, that is, relapse of the disease and death, in order to be able to make a more precise estimation for survival of the patients. The p...
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