Table 1: Comparison of studies assessing outcomes of chronic dialysis patients admitted to ICU.

StudyCountryYear of publicationNo. of patients ( )Mean age (years)Mean severity score on admission to ICUICU mortality (%)Hospital mortality (%)30-day mortality (%)ICU LOS (days) mean ± SD or median range ICU readmission rate (%)

Clermont et al. [8]USA2002575864
(APACHE III)
1114
Uchino et al. [5]Australia2003384522
(APACHE II)
22386
Dara et al. [10]USA2004936664
(APACHE III)
916222
Manhes et al. [7]France2005926349.4
(SAPS II)
2838
Bagshaw et al. [20]Canada2006926629.7
(APACHE II)
1634
Hutchison et al. [4]UK200734205724.7
(APACHE II)
26451.9 [0.9–4.2]9
Ostermann and Chang [19]UK/Germany2008797558
(SOFA)
21352 [1–64]
Senthuran et al. [11]Australia2008705726.1
(APACHE II)
17292 [1–27]
Strijack et al. [6]Canada20096196224
(APACHE II)
164.312
Chapman et al. [18]UK20091995927.6
(APACHE II)
4456
Rocha et al. [14]Brazil2009546643.9
(SAPS II)
20245 [3–11]
Juneja et al. [13]India2010735427.1
(APACHE II)
27412 [1–20]
Sood et al. [15]Canada20115786119
(APACHE II, renal adjusted)
13
Walcher et al. [22]USA201128583639399 ± 8
O’Brien et al. [21]UK201289915924.6 (APACHE II)24422 [0.9–4.7

Abbreviations: APACHE: Acute Physiology Assessment and Chronic Health Evaluation; SOFA: sequential organ failure assessment; SAPS: Simplified Acute Physiology Score; ICU: intensive care unit; LOS: length of stay.