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Table 1 Included studies and their main characteristics

From: The role of increased body mass index in outcomes of sepsis: a systematic review and meta-analysis

First author, year

Country or region

Study type

Sample size

Diagnostic criteria

Outcome

Arabi [20], 2013

Canada, United States, and Saudi Arabia

retrospective study,

multicentre

2882

septic shock

ICU mortality

hospital mortality

ICU LOS

hospital LOS

Chalkias [23], 2013

Greece

prospective study,

single-centre

30

sepsis

60-day mortality

morbidity, length of ventilation in ICU.

Gaulton [22], 2015

USA

retrospective study,

single-centre

1191

severe

sepsis

28-day mortality

60-day mortality

1-year mortality

hospital LOS

Kuperman [21], 2013

USA

retrospective study,

single-centre

792

sepsis

inpatient mortality

hospital LOS

Pisitsak [24], 2016

Canada

retrospective study,

multicentre

257

sepsis

28-day mortality

90-day mortality

Prescott [18], 2014

USA

retrospective study,

multicentre

1404

severe

sepsis

hospital mortality

90-day mortality

1-year mortality

ICU LOS

Sakr [25], 2008

Europe

prospective study,

multicentre,

2978

sepsis

ICU mortality

hospital mortality

ICU LOS

hospital LOS

Wacharasint [19], 2013

Canada

retrospective study,

multicentre

730

septic

shock

28-day mortality

  1. BMI body mass index; ICU intensive care unit; LOS length of stay