EXHIBIT 12 HCA INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTERS MARCH 31, 2002 AND 2001 (DOLLARS IN MILLIONS) <Table> <Caption> QUARTER ----------- 2002 2001 ---- ---- EARNINGS: Income before minority interests and income taxes........... $661 $572 Fixed charges, excluding capitalized interest............... 149 169 ---- ---- $810 $741 ==== ==== FIXED CHARGES: Interest charged to expense................................. $121 $142 Interest portion of rental expense and amortization of deferred loan costs....................................... 28 27 ---- ---- Fixed charges, excluding capitalized interest............... 149 169 Capitalized interest........................................ 3 4 ---- ---- $152 $173 ==== ==== Ratio of earnings to fixed charges.......................... 5.32 4.29 </Table>