EXHIBIT 12 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS AND NINE MONTHS ENDED SEPTEMBER 30, 1996 AND 1995 (DOLLARS IN MILLIONS) QUARTER NINE MONTHS --------- ------------- 1996 1995 1996 1995 ---- ---- ------ ------ EARNINGS: Income before minority interests and income taxes..... $555 $487 $1,924 $1,269 Fixed charges, exclusive of capitalized interest...... 157 143 481 442 ---- ---- ------ ------ $712 $630 $2,405 $1,711 ==== ==== ====== ====== FIXED CHARGES: Interest charged to expense........................... $122 $111 $ 379 $ 347 Interest portion of rental expense and amortization of deferred loan costs.................................. 35 32 102 95 ---- ---- ------ ------ Fixed charges, exclusive of capitalized interest...... 157 143 481 442 Capitalized interest.................................. 7 7 21 20 ---- ---- ------ ------ $164 $150 $ 502 $ 462 ==== ==== ====== ====== Ratio of earnings to fixed charges.................... 4.34 4.20 4.79 3.71 ==== ==== ====== ====== 20