EXHIBIT 11 COLUMBIA/HCA HEALTHCARE CORPORATION COMPUTATION OF EARNINGS PER SHARE FOR THE QUARTERS ENDED MARCH 31, 1997 AND 1996 (DOLLARS IN MILLIONS, EXCEPT PER SHARE AMOUNTS) 1997 1996 -------- -------- PRIMARY EARNINGS PER SHARE: Net income................................................... $ 479 $ 416 ======== ======== Shares used in the computation (in thousands): Weighted average shares outstanding........................ 672,690 670,392 Dilutive effect of common stock equivalents................ 7,015 7,656 -------- -------- Shares used in computing earnings per share.............. 679,705 678,048 ======== ======== Primary earnings per share............................. $ .70 $ .61 ======== ======== FULLY DILUTED EARNINGS PER SHARE: Net income................................................... $ 479 $ 416 ======== ======== Shares used in the computation (in thousands): Weighted average common shares outstanding................. 672,690 670,392 Dilutive effect of common stock equivalents................ 7,031 8,066 -------- -------- Shares used in computing earnings per share.............. 679,721 678,458 ======== ======== Fully diluted earnings per share....................... $ .70 $ .61 ======== ======== 18