Kidney dialysis services provider DaVita Inc. said Monday its net income edged up 2 percent in the second quarter as it expanded and provided more treatments.

DaVita said its earnings rose to $107.9 million, or $1.04 per share, from $105.8 million, or $1.02 per share, a year ago. The latest quarter includes a debt-redemption charge of $2.5 million, or 2 cents per share.

Revenue grew 4 percent to $1.59 billion from $1.52 billion.

Analysts expected a profit of $1.06 per share and $1.6 billion in revenue, according to a Thomson Reuters poll.

The company said it performed 4.5 million treatments during the quarter, or about 57,000 per day. On a per-day basis, that was 5.5 percent more than a year ago. DaVita acquired 23 centers and opened 18 during the quarter. It closed one center and sold another. It provided outpatients services at 1,582 centers as of June 30.

DaVita raised the lower end of its operating income forecast for the year. It now expects $970 million to $1.02 billion, compared with a previous estimate of $950 million to $1.02 billion. Analysts expect $988 million, on average.

DaVita shares rose 57 cents to close at $57.89.