New York State health maintenance organizations are performing at least as well as the U.S. average on 19 of 23 measures studied, and its hospitals are equaling or beating the U.S. average for 16 of 20 measures.

The New York State Health Accountability Foundation, Lake Success, N.Y., has included those findings in its first New York Regional Health Care Report Card.

Premiums for standardized HMO plans in New York County varied from $501 to $1,292 per month, the foundation says.