Exhibit 12.1

TENET HEALTHCARE CORPORATION

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Unaudited)

	Year Ended December 31,															Nine Months  Ended September 30,
	2009			2008			2007			2006			2005			2010			2009
	(Dollars in Millions)
Earnings:
Earnings (losses) before income taxes	$	205		$	54		$	(96	)	$	(1,088	)	$	(363	)	$	96		$	216
Less:
Equity in earnings of affiliates		6			13			20			6			10			4			5
Add:
Cash dividends received		—			3			3			4			4			—			—
Interest component of rent expense(a)		45			43			41			40			39			32			33
Interest expense		445			418			419			408			403			323			342
Amortization of capitalized interest		9			8			8			8			7			7			7
Earnings (losses), as adjusted	$	698		$	513		$	355		$	(634	)	$	80		$	454		$	593
Fixed charges:
Interest expense	$	445			418		$	419		$	408		$	403		$	323		$	342
Capitalized interest		9			10			11			15			12			2			6
Interest component of rent expense		45			43			41			40			39			32			33
Total fixed charges	$	499		$	471		$	471		$	463		$	454		$	357		$	381
Ratio of earnings to fixed charges(b)		1.4	x		1.1	x		n/a			n/a			n/a			1.3	x		1.6	x

(a) The interest component of rent expense was estimated to be one-third of rent expense.

(b) Earnings were insufficient to cover fixed charges for the years ended December 31, 2007, 2006 and 2005 by $116 million, $1.097 billion and $374 million, respectively.