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Table 3 Characteristics of body mass index (BMI) assessment

From: Increased body mass index and adjusted mortality in ICU patients with sepsis or septic shock: a systematic review and meta-analysis

   BMI measurement
Author (Y) Study populations Method Timing Number with BMI/total patients (%)
Studies of severe sepsis, and septic shock
Sakr [31] (2008) 431 patients with septic shock from 2878 patients with BMIs recorded in a survey of 3147 critically ill patients from 198 European countries. The total number of patients with septic shock out of all 3147 patients was not reported Based either on recorded weight and height or on provider’s clinical estimate At ICU admission 2878/3147 (91 %)
Wurzinger [15] (2010) 301 (88 %) patients with BMIs recorded from 343 patients with septic shock admitted to a single ICU in Austria. A total of 2700 ICU admissions were screened to obtain the 343 patients with septic shock Based on recorded weight and height At ICU admission 301/343 (88 %)
Adamzik [32] (2011) 125 (81 %) patients with BMIs recorded from 154 patients with severe sepsis admitted to a single ICU in Germany. Total number of patients screened not reported Not reported Within 24 hrs of diagnosis 125/154 (81 %)
Arabi [17] (2013) 2882 (33 %) patients with BMIs recorded from 8670 patients admitted with septic shock to 28 ICUs in Canada, Saudi Arabia, and the USA Based on recorded weight and height At ICU admission 2882/8670 (33 %)
Wacharasint [16] (2013) 730 (94 %) patients with BMIs recorded from 778 patients with septic shock admitted to 27 ICUs in Australia, Canada and the USA. A total of 6229 patients were screened for the trial and 802 were randomized. Number of patients with septic shock not enrolled is not noted Based on recorded weight and height At study enrollment for septic shock 730/778 (94 %)
Sakr [33] (2015) 2696 patients with sepsis from 8829 patients with BMIs recorded in a worldwide audit of 10,069 patients admitted to 730 ICUs in 84 countries. The total number of patients with sepsis out of all 10,069 patients was not reported. Sepsis was defined as infection with organ failure Based either on recorded weight and height or on provider’s clinical estimate Before onset of critical illness or at hospital admission 8829/10,069 (88 %)
  1. BMI body mass index, ICU intensive care unit