1 EXHIBIT 12 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS ENDED MARCH 31, 2000 AND 1999 (DOLLARS IN MILLIONS) 2000 1999 ---- ---- EARNINGS: Income before minority interests and income taxes........... $518 $584 Fixed charges, excluding capitalized interest............... 144 142 ---- ---- $662 $726 ==== ==== FIXED CHARGES: Interest charged to expense................................. $119 $111 Interest portion of rental expense and amortization of deferred loan costs....................................... 25 31 ---- ---- Fixed charges, excluding capitalized interest............... 144 142 Capitalized interest........................................ 5 6 ---- ---- $149 $148 ==== ==== Ratio of earnings to fixed charges.......................... 4.43 4.91