H₂-CH₄的差值

SIBO阳性

SIBO阴性

χ²/t/P

正值(n/%)

66 (97.06%)

38 (55.88%)

χ² = 32, P < 0.001

负值(n/%)

2 (2.94%)

30 (44.12%)

差值平均值

32.7 ± 23.4

1.4 ± 5.8

t = 18.5, P < 0.001