PHILADELPHIA (

TheStreet

) --

Cigna

(CI) - Get Report

, the health insurer, swung to a fourth-quarter profit of $330 million, or $1.19 a share, from a year-earlier loss and reaffirmed its earnings outlook for 2010.

Cigna said on an adjusted basis earnings were $1.03 a share, above the estimates of analysts surveyed by Thomson Reuters of 95 cents.

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Cigna said fourth-quarter revenue was $4.64 billion, down 3.8%.

Cigna continues to estimate 2010 adjusted earnings from operations of $3.75 to $4.15 a share.

-- Reported by Joseph Woelfel in New York.

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