Chindex International Inc., a Bethesda-based company providing health care services in China through the operations of United Family Healthcare, recently reported an increase in net loss and health care revenue for the second quarter, which ended June 30. Net loss was $693,000, or 4 cents per diluted share, compared to net loss of $122,000, or 1 cent per diluted share, in the prior-year period. Revenue from health care services went up to $55.4 million from just under $46 million in the 2013 quarter. Chindex plans to be acquired by a buyer consortium comprised of an affiliate of TPG, an affiliate of Shanghai Fosun Pharmaceutical Co. Ltd., CEO Roberta Lipson and a merger subsidiary, after which the company will become privately owned. The deal is expected close later this year.