NEW YORK — Unionized nurses at the Mount Sinai and Montefiore health systems voted to ratify new contracts and end their monthlong strike, while New York-Presbyterian nurses resoundingly rejected a similar arrangement.

The vote paves the way for more than 10,000 nurses across Manhattan and the Bronx to return to work in the coming days and regain access to health insurance and pension benefits that had been inactive during the strike.

But at New York-Presbyterian, where the union represents approximately 4,200 nurses across multiple locations in upper Manhattan, 3,099 members voted down the deal, according to a tally shared with nurses and reviewed by POLITICO. They will remain on strike.

Nurses had bristled at an abrupt decision by the leaders of their union, the New York State Nurses Association, to call for a vote Tuesday on a tentative contract that members’ elected negotiating committee had rejected days earlier.

Committee members cited the absence of language guaranteeing expedited arbitration of understaffing complaints — akin to what Mount Sinai and Montefiore nurses won after a three-day strike in 2023 — and said they wanted New York-Presbyterian to agree to hiring even more nurses.

A New York-Presbyterian spokesperson said the health system remains willing to honor the current proposal for now, should nurses decide to reconsider.

“We believe the proposal, which includes compromises, is fair and reasonable and reflects our respect for our nurses and the critical role that they play,” the spokesperson said in a statement Wednesday night. “This proposal was presented by the mediators, who are some of the most respected and experienced neutral negotiators, after months of bargaining.”

NYSNA President Nancy Hagans said the new contracts “ensure that our hospitals are safer places – through increased staffing, workplace violence protections, and more.”

“This hard-earned victory shows hospitals that they can’t cut corners on patient care,” she said in a statement Wednesday night. “Now it’s time for New York-Presbyterian to do the right thing, agree to a fair contract and bring all our nurses back to work.”