Table 2 Compared parameters at baseline and 12 weeks of overweight/obese prediabetic participants in the intervention (Tremella fuciformis beverage) and placebo group

Demographic and anthropometric parameters

Body weight (kg)

81.56 ± 16.14

80.80 ± 16.15

0.140^a

87.88 ± 19.92

88.63 ± 21.77

0.334^a

BMI (kg/m²)

30.89 ± 5.76

30.66 ± 5.85

0.165^a

32.48 ± 7.57

31.89 ± 6.11

0.622^a

Waist circumference (cm)

95.20 ± 12.51

93.46 ± 11.48

0.022^a

97.89 ± 12.54

98.54 ± 14.36

0.395^a

Waist/hip ratio

0.87 ± 0.09

0.86 ± 0.08

0.265^a

0.87 ± 0.06

0.87 ± 0.06

0.297^a

Metabolic and other biochemical parameters

FPG (mg/dL)

94.68 ± 11.21

94.39 ± 10.14

0.888^a

92.5 ± 10.21

94.21 ± 9.27

0.273^a

HbA1C (%)

6.03 ± 0.16

5.96 ± 0.25

0.047^a

5.96 ± 0.13

5.95 ± 0.33

0.891^a

2 h-PG (mg/dL)

143.5 ± 30.21

135.32 ± 34.4

0.164^a

148.64 ± 26.12

144.68 ± 32.64

0.451^a

Matsuda index

2.93

(0.60-22.12)

3.63

(0.63–37.77)

0.133^b

3.83

(1.10-19.14)

2.59

(0.40-28.11)

0.198^b

HOMA-IR

3.69

(0.08–13.88)

3.22

(0.30-25.56)

0.900^b

3.16

(0.83–11.32)

3.52

(0.07–47.19)

0.236^b

Insulinogenic index

0.43

(-0.88-2.45)

0.25

(-0.31-4.73)

0.864^b

0.47

(-0.40-3.24)

0.45

(-0.39-2.41)

0.710^b

Disposition index

0.81

(-1.77-3.06)

0.46

(-0.627-6.26)

0.973^b

0.59

(-1.05-6.92)

1.2

(-1.31-5.74)

0.741^b

Total cholesterol (mg/dL)

201.71 ± 31.3

192.86 ± 33.86

0.200^a

200.54 ± 45.31

202.21 ± 55.3

0.869^a

HDL cholesterol (mg/dL)

50.93 ± 7.12

51.61 ± 10.42

0.527^a

48.11 ± 10.59

47.68 ± 10.38

0.723^a

LDL cholesterol (mg/dL)

129.68 ± 31.6

126.11 ± 35.38

0.508^a

139.71 ± 39.53

136.07 ± 46.79

0.724^a

Triglycerides (mg/dL)

121.0

(54–445)

115.5

(54–425)

0.330^b

107.5

(43–441)

103.5

(48–619)

0.399^b