EXHIBIT 12 HCA INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS AND NINE MONTHS SEPTEMBER 30, 2001 AND 2000 (DOLLARS IN MILLIONS) <Table> <Caption> QUARTER NINE MONTHS ----------- ------------- 2001 2000 2001 2000 ---- ---- ------ ---- EARNINGS: Income before minority interests and income taxes........... $456 $319 $1,488 $496 Fixed charges, excluding capitalized interest............... 164 173 501 479 ---- ---- ------ ---- $620 $492 $1,989 $975 ==== ==== ====== ==== FIXED CHARGES: Interest charged to expense................................. $137 $147 $ 418 $402 Interest portion of rental expense and amortization of deferred loan costs....................................... 27 26 83 77 ---- ---- ------ ---- Fixed charges, excluding capitalized interest............... 164 173 501 479 Capitalized interest........................................ 5 6 12 17 ---- ---- ------ ---- $169 $179 $ 513 $496 ==== ==== ====== ==== Ratio of earnings to fixed charges.......................... 3.67 2.75 3.88 1.97 </Table>