Supplemental Table 1. Transfused Red Blood Cell units in the 48 hours prior to Critical Care initiation to date of Discharge RDW and 30- day mortality
Discharge RDW
≤ 13.3% 13.3-14.0% 14.0-14.7% 14.7-15.8% > 15.8%
Transfused PRBC units 0 units
no.(%) 9,200 (96.7) 9,235 (92.7) 6,265 (88.7) 6,034 (85.8) 8,251 (85.7)
30-day mortality 0.9% 2.0% 2.1% 3.0% 5.4%
1-3 units
no.(%) 233 (2.5) 548 (5.5) 601 (8.5) 737 (10.5) 985 (10.2)
30-day mortality 0.0% 2.7% 2.2% 4.6% 7.9%
4-6 units
no.(%) 47 (0.5) 113 (1.1) 116 (1.6) 146 (2.1) 214 (2.2)
30-day mortality 0.0% 0.9% 2.6% 4.8% 5.6%
>6 units
no.(%) 37 (0.4) 71 (0.7) 84 (1.2) 115 (1.6) 180 (1.9)
30-day mortality 2.7% 1.4% 1.2% 1.7% 1.1%
Supplemental Table 2. Adjusted Associations between Discharge Red Cell Distribution Width and Mortality following Hospital Discharge
Discharge RDW
≤ 13.3% 13.3-14.0% 14.0-14.7% 14.7-15.8% > 15.8%
Congestive Heart Failure (n= 12,784) Adjusted 30-day Mortality
OR (95%CI) 1.00 (Referent) 1.33 (0.85-2.10) 1.56 (1.00-2.44) 1.89 (1.23-2.92) 3.34 (2.20-5.05)
P-value 0.22 0.049 0.004 <.0001
Coronary Artery Disease (n= 11,939) Adjusted 30-day Mortality
OR (95%CI) 1.00 (Referent) 1.46 (0.86-2.46) 1.68 (0.99-2.83) 2.32 (1.40-3.85) 4.12 (2.54-6.69)
P-value 0.16 0.053 0.001 <.0001
Myocardial Infarction (n= 7,770) Adjusted 30-day Mortality
OR (95%CI) 1.00 (Referent) 1.58 (0.91-2.76) 2.30 (1.33-3.97) 2.29 (1.33-3.96) 4.09 (2.44-6.84)
P-value 0.11 0.003 0.003 <.0001
Stroke (n= 4,536) Adjusted 30-day Mortality
OR (95%CI) 1.00 (Referent) 1.05 (0.68-1.61) 1.03 (0.65-1.66) 1.04 (0.64-1.70) 1.67 (1.06-2.65)
P-value 0.83 0.89 0.86 0.028
Pulmonary Embolism (n= 1,648) Adjusted 30-day Mortality
OR (95%CI) 1.00 (Referent) 2.12 (0.57-7.86) 1.13 (0.27-4.68) 3.39 (0.97-11.82) 7.11 (2.14-23.65)
P-value 0.26 0.87 0.055 0.001
Cardiac Arrest (n= 863) Adjusted 30-day Mortality
OR (95%CI) 1.00 (Referent) 1.13 (0.30-4.21) 2.49 (0.75-8.28) 1.98 (0.56-6.99) 3.85 (1.24-11.99)
P-value 0.86 0.14 0.29 0.02
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Note: All estimates adjusted for age, gender, race (white, non-white), type (surgical versus medical), Deyo-Charlson index and Acute Organ Failure.
Supplemental Table 3. Adjusted Associations between Discharge Red Cell Distribution Width and Mortality following Hospital Discharge
Discharge RDW
≤ 13.3% 14.7-15.8% > 15.8%
Adjusted 30-day Mortality a
OR (95%CI) 1.00 (Referent) 2.45 (1.95-3.09) 4.47 (3.60-5.55)
P-value <.0001 <.0001
Adjusted 30-day Mortality b
OR (95%CI) 1.00 (Referent) 2.37 (1.87-2.99) 4.28 (3.43-5.35)
P-value <.0001 <.0001
Adjusted 30-day Mortality c
OR (95%CI) 1.00 (Referent) 2.49 (1.98-3.14) 4.57 (3.68-5.68)
P-value <.0001 <.0001
Adjusted 30-day Mortality d
OR (95%CI) 1.00 (Referent) 2.45 (1.94-3.08) 4.45 (3.58-5.54)
P-value <.0001 <.0001
Adjusted 30-day Mortality e
OR (95%CI) 1.00 (Referent) 2.41 (1.91-3.04) 4.36 (3.51-5.42)
P-value <.0001 <.0001
Adjusted 30-day Mortality f
OR (95%CI) 1.00 (Referent) 2.40 (1.91-3.03) 4.27 (3.44-5.31)
P-value <.0001 <.0001
Adjusted 30-day Mortality g
OR (95%CI) 1.00 (Referent) 2.40 (1.91-3.03) 4.27 (3.44-5.31)
P-value <.0001 <.0001
Adjusted 30-day Mortality h
OR (95%CI) 1.00 (Referent) 2.38 (1.85-3.05) 4.59 (3.63-5.80)
P-value <.0001 <.0001
Adjusted 30-day Mortality i
OR (95%CI) 1.00 (Referent) 2.47 (1.96-3.11) 4.51 (3.63-5.60)
P-value <.0001 <.0001
Adjusted 30-day Mortality j
OR (95%CI) 1.00 (Referent) 2.44 (1.94-3.08) 4.44 (3.57-5.53)
P-value <.0001 <.0001
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a. Estimates adjusted for age, gender, race (white, non-white), type (surgical versus medical), Deyo-Charlson index and Acute Organ Failure.
b. Estimates adjusted for all covariates in (a.) and hematocrit.
c. Estimates adjusted for all covariates in (a.) and transfusion.
d. Estimates adjusted for all covariates in (a.) and creatinine.
e. Estimates adjusted for all covariates in (a.) and WBC.
f. Estimates adjusted for all covariates in (a.) and sepsis.
g. Estimates adjusted for all covariates in (a.) and vasopressors/inotropes.
h. Estimates adjusted for all covariates in (a.) and mechanical ventilation.
i. Estimates adjusted for all covariates in (a.) and year of hospital discharge
j. Estimates adjusted for all covariates in (a.) and WBC, creatinine and transfusions.