Katrina's body count - higher?

My previous post on May 13 quoted a source saying that there were nine storm-related deaths in Washington Parish.

But does this article raise the total?

Tracy Tullos recalled the hospital staff of the Bogalusa Medical Center in Louisiana worked 24-hour shifts following Hurricane Katrina, which hit the Gulf Coast on Aug. 29, 2005.

The former director of Social Services at Bogalusa Medical Center in Bogalusa, La., located approximately 45 miles north of New Orleans, was interviewed Saturday about the hurricane and its aftermath. [...]
"We planned for every contingency -- nuclear disaster, chemical warfare, tornadoes; even terrorism -- but we never planned for having no running water. And that was of paramount concern.

"We had patients requiring dialysis. Several of those patients died," she said.

Who were these patients? Were they all nursing home residents, and thus part of those nine nursing-home deaths? Or were there a couple more poor souls not counted in the article I referenced in my May 13 post?

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Katrina's Body Count