Health insurer Aetna has reported a net income of $536m, or $1.49 per share for the second quarter of 2013, with an increase of 17% and 13% compared to $457m, or $1.32 per share during the comparable period last fiscal.

For the quarter period ended on 30 June 2013, operating earnings was $549m, or $1.52 per share, with increase of 21% and 16% compared to $452m, or $1.31 per share in 2012.

Its total revenue for the second quarter stood at $11.53bn, with an increase of 31% compared to $8.83bn during the corresponding period last year.

Health Care, which provides a full range of insured and self-insured medical, pharmacy, dental and behavioral health products and services, reported net income of $466.3m compared to $447.3m for the second quarter of 2012.

Group Insurance, which includes group life, disability and long-term care products, reported net income of $60.3m against $44.7m during the year ago quarter.

Large Case Pensions, which manages a variety of discontinued and other retirement and savings products, primarily for qualified pension plans, reported net income of $57.5m against $7m during the same period earlier year.

Serving approximately 44 million people, Aetna provides an array of traditional, voluntary and consumer-directed health insurance products and related services, including medical, pharmacy, dental, behavioral health, group life and disability plans, and medical management capabilities.