May 7 (Reuters) - German healthcare group Fresenius first quarter results beat expectations, the company said on Wednesday, citing strong performance at its operating companies.

First-quarter earnings before interests and taxes (EBIT) were 633 million euros ($679.78 million). That was above investors' expectation of 606 million euros, according to a consensus of forecasts from Vara research.

($1 = 0.9312 euros) (Reporting by Tristan Veyet in Gdansk)