Sun Healthcare Group Inc. (NASD: SUNH) reported second-quarter revenue in its medical staffing services segment, which includes its CareerStaff division, fell 2.9 percent to $22.7 million from second-quarter 2010 revenue of about $23.4 million.

Irvine, Calif.-based Sun also provides other healthcare services. Total first-quarter revenue for the company was $487.7 million, up 3.3 percent from year-ago revenue of $471.9 million.