Irvine patient monitor maker Masimo Corp. on Thursday reported a fourth-quarter profit that missed on revenue and beat analysts’ forecasts.

Masimo posted a fourth-quarter profit of $15 million, up 9% from a year ago but below Wall Street estimates of $16.3 million.

Fourth-quarter revenue came in at $132.2 million, above expectations of $129.1 million.

Masimo earned $62.3 million on revenue of $464.9 million in 2012.

The company also gave guidance for 2013.

It said it could post a full year profit of $66.3 million. Analysts expect Masimo’s full-year profit to come in at $70.3 million.

Masimo said it expects full-year revenue of $548 million, above Wall Street estimates of $541.2 million in 2013.

Shares of Masimo were down about 1% in afternoon trading Friday for a market value of $1.2 billion.