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Table 3 Independent predictors of total length of hospital stay (TLHS) by multivariate linear regression analysis

From: An increase in red blood cell distribution width from baseline predicts mortality in patients with severe sepsis or septic shock

Variables β 95% confidence interval P value
Groups based on baseline RDW value and ΔRDW 72hr-adm
 Group 1 1.0 - -
 Group 2 8.33 0.04 to 16.62 0.049
 Group 3 0.72 −5.24 to 6.67 0.813
 Group 4 25.45 14.69 to 36.21 <0.001
Infection site
 Urinary tract 1.0 - -
 Intra-abdominal site 1.42 −6.01 to 8.86 0.707
 Other −0.10 −7.91 to 7.72 0.981
 Lung (pneumonia) 14.98 6.81 to 23.15 <0.001
 Multiple sites 9.43 −3.08 to 21.95 0.139
Age −0.06 −0.23 to 0.107 0.462
Male (vs. female) −1.14 −7.07 to 4.79 0.706
SOFA score 1.01 −0.19 to 2.21 0.099
Charlson Comorbidity Index 0.08 −1.93 to 2.09 0.937
RRT (vs. non-RRT) 2.44 −7.19 to 12.07 0.618
Albumin (g/dL) −2.65 −7.32 to 2.03 0.266
Hemoglobin (g/dL) 0.75 −0.65 to 2.14 0.292
Lactate (mmol/L) −0.16 −1.33 to 1.00 0.782
CRP (mg/dL) 0.01 −0.02 to 0.03 0.504
  1. RDW, red blood cell distribution width; RRT, renal placement therapy; CRP, C-reactive protein.