. . . EXHIBIT 12 EARNINGS TO FIXED CHARGES CALCULATION <Table> <Caption> PARACELSUS HOSPITALS ------------------------- YEAR IAS ENDED NINE MONTHS -------------------------------------- DECEMBER ENDED FOR THE YEAR ENDED 1998 9/30/98 9/30/99 9/30/00 9/30/01 9/30/02 9/30/03 -------- ------- ------- ------- ------- ------- ------- (dollars in millions) Income from continuing operations $ 3,970 $ 3,981 $ 1,637 $(4,101) $(30,880) $27,553 $20,553 add back minority interests 68 54 (140) 74 441 1,042 1,828 add back income taxes -- -- -- 2,219 -- -- -- add back fixed charges less cap int 20,448 15,946 9,734 75,321 79,605 70,829 69,347 ------- ------- ------- ------- -------- ------- ------- total $24,486 $19,981 $11,231 $73,513 $ 49,166 $99,424 $91,728 ------- ------- ------- ------- -------- ------- ------- Interest expenses $17,088 $13,426 $ 7,304 $62,352 $ 64,346 $55,317 $53,881 Interest charged to construction -- -- -- -- 96 799 1,300 rent expense equivalent to interest exp 3,360 2,520 2,430 9,540 11,668 11,165 11,741 amortization of financing costs -- -- -- 3,429 3,591 4,347 3,725 ------- ------- ------- ------- -------- ------- ------- total fixed charges $20,448 $15,946 $ 9,734 $75,321 $ 79,701 $71,628 $70,647 ------- ------- ------- ------- -------- ------- ------- ------- ------- ------- ------- -------- ------- ------- Ratio 1.20 1.25 1.15 0.98 0.62 1.39 1.30 ======= ======= ======= ======= ======== ======= ======= <Caption> IASIS LLC IAS ----------------------- ------------------------ PRO FORMA OCTOBER 1, OCTOBER 1, JUNE 23, NINE 2003 2003 2004 MONTHS THROUGH THROUGH THROUGH ENDED JUNE 22, JUNE 22, JUNE 30, 6/30/03 2004 2004 2004 -------- ---------- ---------- -------- (dollars in millions) Income from continuing operations $18,512 $(37,130) $12,013 $ 1,158 add back minority interests 1,132 3,098 3,098 122 add back income taxes -- 1,152 1,152 29 add back fixed charges less cap int 51,359 49,482 55,132 1,411 ------- -------- ------- ------- total $71,003 $ 16,602 $71,395 $ 2,720 ------- -------- ------- ------- Interest expenses $39,609 $ 39,673 $42,855 $ 1,120 Interest charged to construction 1,398 1,427 1,427 137 rent expense equivalent to interest exp 8,932 7,526 7,526 235 amortization of financing costs 2,818 2,283 4,751 56 ------- -------- ------- ------- total fixed charges $52,757 $ 50,909 $56,559 $ 1,548 ------- -------- ------- ------- ------- -------- ------- ------- Ratio 1.35 0.33 1.26 1.76 ======= ======== ======= ======= </Table>