Silva Gilmara Silveira da, Sousa Alexandre Gonçalves de, Soares Douglas, Colósimo Flávia Cortez, Piotto Raquel Ferrari
Centro de Ensino e Pesquisa do Hospital Beneficência Portuguesa de São Paulo, São Paulo, SP, Brasil.
Rev Assoc Med Bras (1992). 2013 May-Jun;59(3):248-53. doi: 10.1016/j.ramb.2012.12.005. Epub 2013 May 16.
The length of hospital stay (LOS) allows for the evaluation of the efficiency of a given hospital facility, as well as providing a basis for measuring the number of hospital beds required to provide assistance to the population in a specific area.
A retrospective survey was conducted on a database of 3,010 patients submitted to coronary artery bypass graft (CABG) from July, 2009 to July, 2010.
Among 2,840 patients that met the inclusion criteria, 92.1% had their surgery paid by the Brazilian Unified Health System (Sistema Único de Saúde - SUS) and 7.9% by health plans or themselves (non-SUS). 70.2% were male, the average age was 61.9 years old, and the average risk score (EuroScore) was 2.9%. The SUS and the non-SUS groups did not differ regarding the waiting time for surgery (WTS) (2.59± 3.10 vs. 3,02±3,70 days for SUS and non-SUS respectively; p=0.790), but did differ with respect to the length of stay in intensive care unit (2.17±3.84 vs. 2.52±2.72 days for SUS and non-SUS respectively; p < 0.001), the postoperative period (8.34±10.32 vs. 9,19±6.97 days for SUS and non-SUS respectively; p < 0.001), and the total LOS (10.93±11.08 vs. 12.21±8.20 days for SUS and non-SUS respectively; p < 0.001). The non-SUS group had more events of non-elective surgery (p=0.002) and surgery without cardiopulmonary bypass (p=0.012). The groups did not differ regarding the associated valve procedure (p=0.057) nor other non-valve procedures (p=0.053), but they did differ with respect to associated non-cardiac procedures (p=0.017). ICU readmission (p=0.636) and postoperative complications rates were similar in both groups (p=0.055).
The Non-SUS group showed longer LOS compared to the SUS group.
住院时间（LOS）有助于评估特定医院设施的效率，还可为衡量在特定地区为民众提供援助所需的病床数量提供依据。
对2009年7月至2010年7月接受冠状动脉搭桥术（CABG）的3010例患者的数据库进行回顾性调查。
在符合纳入标准的2840例患者中，92.1%的患者手术费用由巴西统一卫生系统（Sistema Único de Saúde - SUS）支付，7.9%由健康计划或患者本人支付（非SUS）。70.2%为男性，平均年龄为61.9岁，平均风险评分（欧洲评分）为2.9%。SUS组和非SUS组在手术等待时间（WTS）方面无差异（SUS组和非SUS组分别为2.59±3.10天和3.02±3.70天；p = 0.790），但在重症监护病房住院时间方面存在差异（SUS组和非SUS组分别为2.17±3.84天和2.52±2.72天；p < 0.001），术后住院时间也有差异（SUS组和非SUS组分别为8.34±10.32天和9.19±6.97天；p < 0.001），总住院时间同样有差异（SUS组和非SUS组分别为10.93±11.08天和12.21±8.20天；p < 0.001）。非SUS组非择期手术事件更多（p = 0.002），且非体外循环手术更多（p = 0.012）。两组在相关瓣膜手术方面无差异（p = 0.057），在其他非瓣膜手术方面也无差异（p = 0.053），但在相关非心脏手术方面存在差异（p = 0.017）。两组的重症监护病房再入院率（p = 0.636）和术后并发症发生率相似（p = 0.055）。
与SUS组相比，非SUS组的住院时间更长。
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