TABLE 1.
Median risk of death, % (IQR) | P value* | |
---|---|---|
Sex | ||
Male (n = 97) | 5.00 (1.00‐10.00) | |
Female (n = 655) | 2.00 (0.00‐8.00) | <0.001 |
Smoker | ||
Yes (n = 82) | 3.5 (0.0‐10.0) | |
No (n = 670) | 2.0 (0.0‐9.0) | 0.15 |
Alcohol use | ||
Yes (n = 439) | 2.0 (0.0‐8.0) | |
No (n = 313) | 2.0 (0.0‐10.0) | 0.48 |
Married | ||
Yes (n = 487) | 2.0 (0.0‐7.0) | |
No (n = 265) | 3.0 (0.0‐10.0) | 0.02 |
University or postgraduate level of education | ||
Yes (n = 314) | 2.0 (0.0‐6.0) | |
No (n = 438) | 2.0 (0.0‐10.0) | 0.15 |
Annual income of £30,000 or more | ||
Yes (n = 197) | 3.0 (0.0‐9.0) | |
No (n = 483) | 2.0 (0.0‐9.0) | 0.34 |
IBS subtype | ||
IBS‐C (n = 136) | 1.0 (0.0‐5.0) | |
IBS‐D (n = 306) | 2.0 (0.0‐8.25) | |
IBS‐M (n = 301) | 3.0 (0.0‐10.0) | 0.14 |
Most troublesome symptom | ||
Abdominal pain (n = 169) | 3.0 (0.0‐10.0) | |
Constipation (n = 53) | 2.0 (0.0‐9.0) | |
Diarrhoea (n = 117) | 4.0 (0.0‐10.0) | |
Bloating/distension (n = 218) | 2.0 (0.0‐5.0) | |
Urgency (n = 195) | 2.0 (0.0‐9.0) | 0.11 |
Continuous abdominal pain | ||
Yes (n = 345) | 4.0 (0.0‐10.0) | |
No (n = 407) | 1.0 (0.0‐5.0) | <0.001 |
Self‐rated risk‐taking behaviour | ||
Never (n = 66) | 0.0 (0.0‐4.0) | |
Rarely (n = 343) | 2.0 (0.0‐6.0) | |
Occasionally (n = 323) | 3.0 (0.0‐10.0) | |
Routinely (n = 20) | 3.5 (0.0‐31.25) | <0.001 |
Duration of IBS diagnosis, year(s) | ||
1 (n = 25) | 2.0 (0.0‐5.0) | |
2 (n = 41) | 2.0 (0.0‐6.5) | |
3 (n = 54) | 3.0 (0.0‐11.25) | |
4 (n = 33) | 1.0 (0.0‐9.0) | |
5 (n = 38) | 3.0 (0.0‐9.25) | |
>5 (n = 561) | 2.0 (0.0‐9.0) | 0.56 |
Number of IBS drugs in the last 12 months | ||
0 (n = 96) | 1.0 (0.0‐5.0) | |
1 (n = 189) | 1.0 (0.0‐7.0) | |
2 (n = 196) | 2.0 (0.0‐9.0) | |
3 (n = 129) | 4.0 (0.0‐10.0) | |
4 (n = 76) | 3.0 (0.0‐10.0) | |
≥5 (n = 66) | 4.0 (0.0‐10.0) | 0.005 |
Severity on IBS‐SSS | ||
Mild (n = 86) | 2.0 (0.0‐5.0) | |
Moderate (n = 300) | 1.0 (0.0‐7.0) | |
Severe (n = 359) | 3.0 (0.0‐10.0) | 0.005 |
HADS anxiety categories | ||
Normal (n = 200) | 2.0 (0.0‐5.0) | |
Borderline abnormal (n = 174) | 2.0 (0.0‐8.25) | |
Abnormal (n = 378) | 2.5 (0.0‐10.0) | 0.20 |
HADS depression categories | ||
Normal (n = 404) | 2.0 (0.0‐5.0) | |
Borderline abnormal (n = 165) | 2.0 (0.0‐8.5) | |
Abnormal (n = 183) | 5.0 (0.0‐15.0) | <0.001 |
PHQ‐12 severity | ||
Low (n = 36) | 2.0 (0.0‐5.0) | |
Mild (n = 176) | 2.0 (0.0‐9.0) | |
Moderate (n = 307) | 2.0 (0.0‐6.0) | |
Severe (n = 233) | 4.0 (0.0‐10.0) | 0.14 |
VSI scores | ||
Low (n = 247) | 1.0 (0.0‐5.0) | |
Medium (n = 247) | 2.0 (0.0‐9.0) | |
High (n = 258) | 3.0 (0.0‐10.0) | <0.001 |
IBS‐QOL scores | ||
Low (n = 239) | 4.0 (0.0‐10.0) | |
Medium (n = 252) | 2.0 (0.0‐9.0) | |
High (n = 261) | 1.0 (1.0‐5.0) | <0.001 |
P value for Mann‐Whitney U test for 2 groups and for Kruskal‐Wallis test for 3 groups or more.