A Patient care system comprises a bed including an inflatable mattress supported on a platform of articulatable links by a support system mounted on a weigh frame. The platform (822) is configured to support a person and includes first and second panels (824,826) having respective upwardly facing support surfaces and adjacent edges (824a,826a), and means (828) for varying the angle of said first panel (824) relative to said second panel (826) and changing the distance between said respective adjacent edges (824a,826a) of said first and second panels (824,826).