1 EXHIBIT 12 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS AND NINE MONTHS ENDED SEPTEMBER 30, 1999 AND 1998 (DOLLARS IN MILLIONS) QUARTER NINE MONTHS ------------ ---------------- 1999 1998 1999 1998 ---- ---- ------ ------ EARNINGS: Income from continuing operations before minority interests and income taxes......................................... $247 $410 $1,065 $1,120 Fixed charges, excluding capitalized interest.............. 147 175 435 542 ---- ---- ------ ------ $394 $585 $1,500 $1,662 ==== ==== ====== ====== FIXED CHARGES: Interest charged to expense................................ $122 $142 $ 351 $ 440 Interest portion of rental expense and amortization of deferred loan costs...................................... 26 33 84 102 ---- ---- ------ ------ Fixed charges, excluding capitalized interest.............. 148 175 435 542 Capitalized interest....................................... 4 6 16 16 ---- ---- ------ ------ $152 $181 $ 451 $ 558 ==== ==== ====== ====== Ratio of earnings to fixed charges......................... 2.59 3.23 3.33 2.98