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Table 4 Characteristics of the patients according to ICU mortalities

From: Effects of zero reference position on bladder pressure measurements: an observational study

  Total(n= 100) ICU mortalities
   Survivors ( n = 85) Non-survivors( n = 15) p value
Female gender 52 (52.0%) 46 (54.1%) 6 (40.0%) 0.466a
Age (years) 53.5 ± 16.1 51.5 ± 15.7 64.7 ± 13.8 0.003b
BMI (kg/m2) 27.2 ± 10.0 27.9 ± 10.7 23.3 ± 2.8 0.508b
Emergency surgery 55 (55.0%) 44 (51.8%) 11 (73.3%) 0.205a
Bariatric surgery 24 (24.0%) 24 (28.2%) 0 (0.0%) 0.019c
APACHE II 11.2 ± 1.7 9.3 ± 1.5 13.1 ± 2.0 < 0.0001b
SOFA 4.5 ± 2.8 3.9 ± 2.2 6.4 ± 3.4 0.021b
IAPMAL (mmHg) 8.5 ± 2.8 8.1 ± 2.4 8.6 ± 2.8 0.505b
IAPSP (mmHg) 6.5 ± 2.8 6.3 ± 3.0 6.6 ± 2.7 0.743b
  1. aChi square test with Yates's correction for continuity; bMann-Whitney U test; cFisher's exact test. APACHE, Acute Physiology and Chronic Health Evaluation II; BMI, body mass index; IAH, intra-abdominal hypertension; IAPMAL, intra-abdominal pressure at midaxillary line; IAPSP, intra-abdominal pressure at symphysis pubis; SOFA, Sequential organ failure assessment.