EXHIBIT 11 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF EARNINGS PER SHARE FOR THE QUARTERS AND NINE MONTHS ENDED SEPTEMBER 30, 1997 AND 1996 (DOLLARS IN MILLIONS, EXCEPT PER SHARE AMOUNTS) QUARTER NINE MONTHS --------------- --------------- 1997 1996 1997 1996 ------- ------- ------- ------- PRIMARY EARNINGS PER SHARE: Earnings: Income from continuing operations............ $ 91 $ 299 $ 931 $ 1,063 Income from discontinued operations, net of income taxes................................ 6 12 57 28 ------- ------- ------- ------- Net income................................. $ 97 $ 311 $ 988 $ 1,091 ======= ======= ======= ======= Shares used in the computation (in thousands): Weighted average shares outstanding.......... 653,559 670,938 662,679 670,892 Dilutive effect of common stock equivalents.. 4,248 6,479 5,457 6,922 ------- ------- ------- ------- Shares used in computing earnings per share..................................... 657,807 677,417 668,136 677,814 ======= ======= ======= ======= Earnings per share: Income from continuing operations............ $ .15 $ .44 $ 1.39 $ 1.57 Income from discontinued operations.......... .01 .02 .09 .04 ------- ------- ------- ------- Net income................................. $ .16 $ .46 $ 1.48 $ 1.61 ======= ======= ======= ======= FULLY DILUTED EARNINGS PER SHARE: Earnings: Income from continuing operations............ $ 91 $ 299 $ 931 $ 1,063 Income from discontinued operations, net of income taxes................................ 6 12 57 28 ------- ------- ------- ------- Net income................................. $ 97 $ 311 $ 988 $ 1,091 ======= ======= ======= ======= Shares used in the computation (in thousands): Weighted average common shares outstanding... 653,559 670,938 662,679 670,892 Dilutive effect of common stock equivalents.. 4,248 6,831 5,733 7,222 ------- ------- ------- ------- Shares used in computing earnings per share..................................... 657,807 677,769 668,412 678,114 ======= ======= ======= ======= Earnings per share: Income from continuing operations............ $ .15 $ .44 $ 1.39 $ 1.57 Income from discontinued operations.......... .01 .02 .09 .04 ------- ------- ------- ------- Net income................................. $ .16 $ .46 $ 1.48 $ 1.61 ======= ======= ======= ======= 25