Table 4 Associations between the Dietary Inflammatory Index (DII) and IBS-QOL, IBS-SSS, IBS-EISSS, abdominal pain, abdominal distension, bloating, rumbling and total gastrointestinal symptoms in IBS patients
Variables | Mean ± SD or N (%) | P-Trend | Correlation coefficient (r) | P value | |||
|---|---|---|---|---|---|---|---|
Quartile1 (<−1.49) | Quartile2 (− 1.49 ≤ to < 0.11) | Quartile3 (0.11 ≤ to < 1.65) | Quartile4 (1.65≤) | ||||
IBS-QOL | 67.29 ± 15.88 | 64.60 ± 14.21 | 66.51 ± 13.16 | 69.87 ± 13.99 | 0.392 | 0.046 | 0.572 |
IBS-SSS | 242.85 ± 112.10 | 274.21 ± 97.04 | 226.73 ± 94.63 | 235.82 ± 105.59 | 0.275 | 0.005 | 0.949 |
IBS-EISSS | 23.22 ± 12.07 | 26.64 ± 14.66 | 25.14 ± 10.61 | 22.79 ± 12.22 | 0.516 | 0.087 | 0.284 |
abdominal pain | 38.44 ± 30.40 | 45.54 ± 30.02 | 32.81 ± 28.92 | 38.17 ± 29.86 | 0.382 | −0.056 | 0.485 |
abdominal distension | 48.52 ± 29.27 | 51.32 ± 27.35 | 45.05 ± 26.33 | 46.57 ± 29.14 | 0.818 | 0.036 | 0.657 |
Bloating | 45.37 ± 31.32 | 56.50 ± 32.92 | 51.98 ± 28.84 | 48.74 ± 31.36 | 0.559 | 0.078 | 0.337 |
Rumbling | 42.89 ± 35.27 | 43.89 ± 31.93 | 41.38 ± 30.66 | 41.38 ± 30.66 | 0.985 | 0.085 | 0.293 |
Total gastrointestinal symptoms | 55.96 ± 33.06 | 70.21 ± 27.52 | 58.64 ± 27.22 | 59.76 ± 28.34 | 0.258 | −0.021 | 0.799 |