EXHIBIT 12 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS AND SIX MONTHS ENDED JUNE 30, 1995 AND 1994 (DOLLARS IN MILLIONS) QUARTER SIX MONTHS ------------- ------------- 1995 1994 1995 1994 ------ ------ ------ ------ Earnings: Income before income taxes........................ $ 130 $ 399 $ 732 $ 715 Fixed charges, exclusive of capitalized interest.. 160 114 303 222 ------ ------ ------ ------ $ 290 $ 513 $1,035 $ 937 ====== ====== ====== ====== Fixed Charges: Interest charged to expense....................... $ 121 $ 91 $ 236 $ 176 One-third of rent expense and amortization of deferred loan costs and capitalized interest (a). 39 23 67 46 ------ ------ ------ ------ Fixed charges, exclusive of capitalized interest.. 160 114 303 222 Capitalized interest.............................. 8 5 13 11 ------ ------ ------ ------ $ 168 $ 119 $ 316 $ 233 ====== ====== ====== ====== Ratio of earnings to fixed charges................ 1.72 4.30 3.27 4.02 ====== ====== ====== ====== -------- (a) One-third of rent expense is considered representative of the underlying interest. 22