Leveraged buyouts, like the $6.3 billion deal to take Kinetic Concepts Inc (NYSE:KCI) private, are as expensive as they’ve been all year, due to ongoing uncertainty about the global economy.

Average monthly interest rates on institutional leveraged loans, the debt used to finance LBOs, rose to 491 basis points more than benchmarks in July, according to Bloomberg News – up from a February low of 378 basis points.