1 = female
2 = male

need for inotropic agent use
0 = no
1 = yes

pulmonary parenchymal involvement on thorax CT
0 = no
1 = yes, unilaterally
2 = yes, bilaterally

hyponathremic, normonathremic, hypernathremic
0 = hyponatremic
1 = normonatremic
2 = hypernatremic

hypo-osmolar, normo-osmolar, hyper-osmolar
0 = hipoosmolar
1 = normoosmolar
2 = hyperosmolar