Table 1.

Comparison of patient demographic and clinical characteristics between the combination treatment group and sirolimus monotherapy group

ParametersSIR plus PRE (n = 37)SIR (n = 36)P value
Patients    
Sex*   .729 
 Female 17 (45.9) 18 (50)  
Age at discovery of tumor lesion (m)   .395 
 Mean (range) 1.5 (0.0-13.0) 1.7 (0.0-20.0)  
 Median (IQR) 0.0 (0.0-1.8) 0.0 (0.0-1.0)  
Age at onset of KMP (m)   .359§ 
 Mean (range) 2.1 (0.0-13.0) 2.0 (0.0-22.0)  
 Median (IQR) 1.3 (0.0-3.0) 1.0 (0.0-2.0)  
Age at baseline (m)   .678§ 
 Mean (range) 4.1 (0.3-15.0) 4.2 (0.3-25)  
 Median (IQR) 3.0 (1.5-6.0) 2.6 (1.5-4.4)  
Weight (kg)   .554§ 
 Mean (range) 6.2 (3.5-12.2) 6.2 (3.4-13.5)  
 Median (IQR) 6.0 (4.5-7.5) 5.7 (4.5-7.0)  
Height (cm)   .800§ 
 Mean (range) 58.6 (47.8-80.0) 58.8 (47.7-92.5)  
 Median (IQR) 56.0 (51.7-63.5) 56.3 (51.6-61.4)  
Prior treatment*   .562 
 Yes 11 (29.7) 13 (36.1)  
KHE    
Morphology*   .576ǁ 
 Superficial 2 (5.4) 3 (8.3)  
 Mixed 31 (83.8) 30 (83.3)  
 Deep 4 (10.8) 3 (8.3)  
Maximal tumor dimension (cm)   .599 
 Mean (range) 10.0 (4.0-21.0) 10.8 (3.5-25.0)  
 Median (IQR) 9.0 (6.0-14.5) 10.5 (6.0-13.8)  
 Retroperitoneal or intrathoracic location* 3 (8.1) 2 (5.6) 1.000§ 
 Bone and/or joint involvement* 4 (10.8) 5 (13.9) .736§ 
KMP    
Duration of KMP (m)   .693 
 Mean (range) 2.0 (0.0-9.0) 2.2 (0.0-17.5)  
 Median (IQR) 1.3 (0.5-2.4) 1.7 (0.5-3.0)  
Platelet level (10 × 109/L)   .851 
 Mean (range) 15.6 (3.0-47.0) 16.3 (3.0-46.0)  
 Median (IQR) 14.0 (9.0-21.0) 13.0 (7.0-24.8)  
 Platelet level <10 × 109/L* 13 (35.1) 13 (36.1) .931 
Fibrinogen level (g/L)   .623 
 Mean (range) 0.8 (0.1-1.58) 0.8 (0.2-1.4)  
 Median (IQR) 0.8 (0.4-1.2) 0.9 (0.6-1.0)  
 Fibrinogen level <0.5 g/L* 10 (27.0) 7 (19.4) .443 
Hemoglobin (g/L)   .787 
 Mean (range) 97.1 (55.0-152.0) 97.9 (59.0-156.0)  
 Median (IQR) 89.0 (79.5-113.0) 98.0 (79.3-112.0)  
 Hemoglobin <60 g/L* 3 (8.1) 1 (2.8) .615ǁ 
ParametersSIR plus PRE (n = 37)SIR (n = 36)P value
Patients    
Sex*   .729 
 Female 17 (45.9) 18 (50)  
Age at discovery of tumor lesion (m)   .395 
 Mean (range) 1.5 (0.0-13.0) 1.7 (0.0-20.0)  
 Median (IQR) 0.0 (0.0-1.8) 0.0 (0.0-1.0)  
Age at onset of KMP (m)   .359§ 
 Mean (range) 2.1 (0.0-13.0) 2.0 (0.0-22.0)  
 Median (IQR) 1.3 (0.0-3.0) 1.0 (0.0-2.0)  
Age at baseline (m)   .678§ 
 Mean (range) 4.1 (0.3-15.0) 4.2 (0.3-25)  
 Median (IQR) 3.0 (1.5-6.0) 2.6 (1.5-4.4)  
Weight (kg)   .554§ 
 Mean (range) 6.2 (3.5-12.2) 6.2 (3.4-13.5)  
 Median (IQR) 6.0 (4.5-7.5) 5.7 (4.5-7.0)  
Height (cm)   .800§ 
 Mean (range) 58.6 (47.8-80.0) 58.8 (47.7-92.5)  
 Median (IQR) 56.0 (51.7-63.5) 56.3 (51.6-61.4)  
Prior treatment*   .562 
 Yes 11 (29.7) 13 (36.1)  
KHE    
Morphology*   .576ǁ 
 Superficial 2 (5.4) 3 (8.3)  
 Mixed 31 (83.8) 30 (83.3)  
 Deep 4 (10.8) 3 (8.3)  
Maximal tumor dimension (cm)   .599 
 Mean (range) 10.0 (4.0-21.0) 10.8 (3.5-25.0)  
 Median (IQR) 9.0 (6.0-14.5) 10.5 (6.0-13.8)  
 Retroperitoneal or intrathoracic location* 3 (8.1) 2 (5.6) 1.000§ 
 Bone and/or joint involvement* 4 (10.8) 5 (13.9) .736§ 
KMP    
Duration of KMP (m)   .693 
 Mean (range) 2.0 (0.0-9.0) 2.2 (0.0-17.5)  
 Median (IQR) 1.3 (0.5-2.4) 1.7 (0.5-3.0)  
Platelet level (10 × 109/L)   .851 
 Mean (range) 15.6 (3.0-47.0) 16.3 (3.0-46.0)  
 Median (IQR) 14.0 (9.0-21.0) 13.0 (7.0-24.8)  
 Platelet level <10 × 109/L* 13 (35.1) 13 (36.1) .931 
Fibrinogen level (g/L)   .623 
 Mean (range) 0.8 (0.1-1.58) 0.8 (0.2-1.4)  
 Median (IQR) 0.8 (0.4-1.2) 0.9 (0.6-1.0)  
 Fibrinogen level <0.5 g/L* 10 (27.0) 7 (19.4) .443 
Hemoglobin (g/L)   .787 
 Mean (range) 97.1 (55.0-152.0) 97.9 (59.0-156.0)  
 Median (IQR) 89.0 (79.5-113.0) 98.0 (79.3-112.0)  
 Hemoglobin <60 g/L* 3 (8.1) 1 (2.8) .615ǁ 

IQR, interquartile range.

*

Values are presented as number (percentage).

P value was calculated using the χ2 test.

P value was calculated using the Mann-Whitney U test.

§

P value was calculated with Fisher's exact test.

ǁ

P value was calculated using the Pearson χ2 test.

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