In a prospective study on 202 intensive care patients, it was found that APACHE II provided better differentiation of short-term hospital mortality compared with APACHE III and SAPS II.23 Again another study by O’Dair et al24 on 92 patients operated for acute abdomen found POSSUM, APACHE II, and III were superior to SAPS II, different to our research. Here, BTBD8 is linked to Abdominal pain.