EXHIBIT 12 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS AND NINE MONTHS ENDED SEPTEMBER 30, 1995 AND 1994 (DOLLARS IN MILLIONS) QUARTER NINE MONTHS --------- ------------- 1995 1994 1995 1994 ---- ---- ------ ------ Earnings: Income before minority interests and income taxes...... $487 $360 $1,269 $1,088 Fixed charges, exclusive of capitalized interest....... 143 130 442 350 ---- ---- ------ ------ $630 $490 $1,711 $1,438 ==== ==== ====== ====== Fixed Charges: Interest charged to expense............................ $111 $105 $ 347 $ 281 Interest portion of rental expense and amortization of deferred loan costs and capitalized interest.......... 32 25 95 69 ---- ---- ------ ------ Fixed charges, exclusive of capitalized interest....... 143 130 442 350 Capitalized interest................................... 7 - 20 10 ---- ---- ------ ------ $150 $130 $ 462 $ 360 ==== ==== ====== ====== Ratio of earnings to fixed charges..................... 4.20 3.79 3.71 3.99 ==== ==== ====== ====== 21