Table 2 Percent decrease of TG levels and percentage of patients to reach the target TG levels on each day in n-TPE and TPE groups

Percent decrease of TG levels on each days

 Before matched

  n-TPE group

57.00 {24.00, 72.00} n = 37

54.00 {42.75, 72.00} n = 34

67.00 {55.00, 78.00} n = 31

77.50 {63.25, 84.75} n = 56

  TPE group

55.00 {31.50, 74.50} n = 117

70.00 {57.75, 79.00} n = 94

75.50 {61.00, 80.75} n = 100

80.00 {68.25, 86.00} n = 96

  P value by Mann–Whitney

0.906

0.001

0.143

0.185

 After matched

  n-TPE group

60.00 {34.00, 74.50} n = 29

58.50 {41.50, 75.00} n = 22

68.50 {55.25, 82.00} n = 24

78.00 {68.00, 85.25} n = 46

  TPE group

56.00 {28.50, 68.75} n = 60

69.00 {55.75, 79.00} n = 54

68.50 {55.50, 82.00} n = 54

79.00 {65.50, 86.00} n = 43

  P value by Mann–Whitney

0.367

0.077

0.918

0.736

Percentage of patients to reach the target TG levels

 Before matched

  n-TPE group

21.62% (n = 37)

23.53% (n = 34)

45.16% n = 31)

62.50% (n = 56)

  TPE group

26.09% (n = 115)

57.89% (n = 95)

63.27% (n = 98)

71.88% (n = 96)

  P value by Pearson χ2 test

0.667

0.001

0.094

0.230

 After matched

  n-TPE group

27.59% (n = 29)

27.27% (n = 22)

50.00% (n = 24)

63.04% (n = 46)

  TPE group

28.33% (n = 60)

52.73% (n = 55)

59.26% (n = 54)

62.79% (n = 43)

  P value by Pearson χ2 test

0.941

0.043

0.447

0.980