Exhibit 12 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES For the quarters and nine months ended September 30, 1994 and 1993 (Dollars in millions) Quarter Nine Months 1994 1993 1994 1993 Earnings: Income from continuing operations before minority interests and income taxes .... $ 293 $ 72 $ 872 $ 681 Fixed charges, exclusive of capitalized interest ...................................... 80 96 234 301 $ 373 $ 168 $1,106 $ 982 Fixed Charges: Interest charged to expense ..................... $ 62 $ 81 $ 182 $ 251 One-third of rent expense and amortization of deferred loan costs (a) .................... 18 15 52 50 Fixed charges, exclusive of capitalized interest ...................................... 80 96 234 301 Capitalized interest ............................ 3 2 9 8 $ 83 $ 98 $ 243 $ 309 Ratio of earnings to fixed charges .............. 4.49 1.71 4.55 3.18 (a) One-third of rent expense is considered representative of the underlying interest.