Identification of a statistical method as a quality tool: patient's length of stay in the operating room

Guiomar Terezinha Carvalho Aranha¹; Reinaldo Wilson Vieira²; Pedro Paulo Martins de Oliveira³; Orlando Petrucci Junior⁴; Benedito Galvão Benze⁵; Lindemberg da Mota Silveira Filho³; Karlos Alexandre de Souza Vilarinho³; Lívia Paschoalino de Campos⁶

DOI: 10.1590/S0102-76382009000400019 Braz J Cardiovasc Surg. 2009;24(3):382-390