Table 3.

Outcome of multiple regression analyses with VWF, LDH, and free heme as dependent variables

Outcomes of mediation analysis
Outcome: VWFB (95% CI)P value
Age 0.5 (−1.1 to 2.0) .552 
Blood group (non-O) 30.2 (17.3-43.2) <.001 
Treatment (BT) −17.0 (−29.7 to −4.3) .009 
HbS is independently associated with VWF 
Age 0.1 (−1.4 to 1.7) .854 
Blood group (non-O) 29.6 (16.6-42.5) <.001 
HbS 0.3 (0.1-0.6) .003 
Treatment and HbS nullify each other’s effects 
Age 0.1 (−1.4 to 1.7) .877 
Blood group (non-O) 29.5 (16.4-42.5) <.001 
Treatment (BT) 4.2 (−27.2 to −35.7) .791 
HbS 0.4 (−0.1 to 1.0) .143 
LDH and free heme are independently associated with VWF 
Age 0.9 (−1.7 to 3.6) .483 
Blood group (non-O) 47.1 (27.9-66.3) <.001 
Treatment (BT) −24.2 (−43.2 to −5.3) .013 
LDH (×10−23.2 (0.4-6.0) .027 
Free heme −1.0 (−2.0 to 0.0) .045 
Addition of angiopoietin-2 nullifies the effect of treatment, LDH, and free heme 
Age 0.5 (−2.9 to 3.9) .766 
Blood group (non-O) 39.6 (13.9-65.3) .003 
Treatment (BT) −24.2 (−50.1 to 1.7) .067 
LDH (×10−20.5 (−3.3 to 4.2) .807 
Free heme −0.9 (−2.7 to 0.9) .311 
Angiopoietin-2 (×10−36.3 (0.2-12.4) .043 
HbS and VWF are independently associated with LDH 
Outcome: LDH   
HbS 1.8 (0.1-3.5) .044 
VWF 1.9 (0.8-3.0) .001 
LDH is independently associated with free heme 
Outcome: free heme   
Treatment −2.2 (−11.1 to 6.9) .636 
HbS 0.0 (−0.2 to 0.1) .909 
LDH 0.5 (0.1-1.0) .022 
Outcomes of mediation analysis
Outcome: VWFB (95% CI)P value
Age 0.5 (−1.1 to 2.0) .552 
Blood group (non-O) 30.2 (17.3-43.2) <.001 
Treatment (BT) −17.0 (−29.7 to −4.3) .009 
HbS is independently associated with VWF 
Age 0.1 (−1.4 to 1.7) .854 
Blood group (non-O) 29.6 (16.6-42.5) <.001 
HbS 0.3 (0.1-0.6) .003 
Treatment and HbS nullify each other’s effects 
Age 0.1 (−1.4 to 1.7) .877 
Blood group (non-O) 29.5 (16.4-42.5) <.001 
Treatment (BT) 4.2 (−27.2 to −35.7) .791 
HbS 0.4 (−0.1 to 1.0) .143 
LDH and free heme are independently associated with VWF 
Age 0.9 (−1.7 to 3.6) .483 
Blood group (non-O) 47.1 (27.9-66.3) <.001 
Treatment (BT) −24.2 (−43.2 to −5.3) .013 
LDH (×10−23.2 (0.4-6.0) .027 
Free heme −1.0 (−2.0 to 0.0) .045 
Addition of angiopoietin-2 nullifies the effect of treatment, LDH, and free heme 
Age 0.5 (−2.9 to 3.9) .766 
Blood group (non-O) 39.6 (13.9-65.3) .003 
Treatment (BT) −24.2 (−50.1 to 1.7) .067 
LDH (×10−20.5 (−3.3 to 4.2) .807 
Free heme −0.9 (−2.7 to 0.9) .311 
Angiopoietin-2 (×10−36.3 (0.2-12.4) .043 
HbS and VWF are independently associated with LDH 
Outcome: LDH   
HbS 1.8 (0.1-3.5) .044 
VWF 1.9 (0.8-3.0) .001 
LDH is independently associated with free heme 
Outcome: free heme   
Treatment −2.2 (−11.1 to 6.9) .636 
HbS 0.0 (−0.2 to 0.1) .909 
LDH 0.5 (0.1-1.0) .022 

CI, confidence interval.

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