Former President Bill Clinton expected to be discharged from UC Irvine Medical Center on Sunday

ORANGE, Calif. — Former President Bill Clinton remained hospitalized in a California medical facility’s intensive care unit Saturday night, four days after being admitted for treatment of a urinary tract infection, but a spokesperson said that the former president’s discharge is expected Sunday.

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Update 7:42 p.m. EDT Oct. 16: Bill Clinton will spend one more night at University of California Irvine Medical Center, recovering from sepsis the former president developed following a urinary tract infection.

“President Clinton has continued to make excellent progress over the past 24 hours,” spokesperson Angel Ureña said in a prepared statement.

Hillary Clinton has been with her husband at the southeast Los Angeles hospital, returning at around 8 a.m. Saturday with their daughter, Chelsea Clinton, in a sport utility vehicle accompanied by secret service agents, The Associated Press reported.

“He’s doing fine; he really is,” President Joe Biden said during remarks at the University of Connecticut on Friday night.

An  aide to the former president, who spoke to reporters at the hospital on the condition his name was not used, said that Clinton is being treated in UC Irvine’s intensive care section but is not receiving ICU care, the AP reported.

Original report: Clinton, 75, who served as the nation’s 42nd president from 1993 to 2001, was admitted to the University of California Irvine Medical Center on Tuesday, his spokesperson, Angel Urena, said Friday evening. Clinton will remain hospitalized overnight, Urena said.

“His diagnosis was originally for a UTI that went into his bloodstream,” Urena said. “Some doctors call it sepsis but he never went into septic shock or even close. What we are saying is he has a bloodstream infection.”

Clinton was in Southern California to attend a private event for the nonprofit Clinton Foundation, the Los Angeles Times reported. When Clinton reported he was not feeling well, he was admitted to the hospital in Orange County. The former president had a urinary tract infection that turned into sepsis, the newspaper reported.

Urena said Clinton’s white blood count had decreased significantly, and he was kept in the hospital to receive more antibiotics intravenously.

>> Former President Bill Clinton hospitalized

“President Clinton continues to be in excellent spirits, and is deeply grateful for the outstanding care is receiving and well wishes that people have sent from across America and around the world,” Urena said in a statement.

One of the well-wishers was President Joe Biden, KTLA reported.

Biden said Friday that he’s been “exchanging calls” with Clinton and “he seems to be, God willing, doing well,” the television station reported.

Biden and Clinton spoke by telephone Friday, White House spokesperson Karine Jean-Pierre confirmed.

“President Biden and President Clinton look forward to seeing each other again soon,” Jean-Pierre said in an emailed statement to KTLA. “President Biden wishes President Clinton a speedy recovery.”

The former president is in the ICU as more of a “precautionary measure,” Urena told KTLA.

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Photos: Bill Clinton through the years Here are some memorable photos of former President Bill Clinton through the years. (Ira Wyman/Sygma via Getty Images)

Clinton has been reading books and joking with hospital staff members during his stay, Urena told the television station. The former president also followed some of the media’s coverage about his hospitalization, Urena said.

The former president received a visit from his wife, former first lady and Secretary of State Hillary Clinton, KSBY reported. She was spotted leaving the hospital late Thursday night.

Bill Clinton has a history of health troubles, including high cholesterol and being overweight, the Times reported. He had a benign cyst removed from his chest in 1995 and a precancerous lesion removed from his nose the following year.

The former president also had successful quadruple coronary bypass surgery in 2004, the newspaper reported.

-- The Associated Press contributed to this report.

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