| Comparison Scales |
Number of items in scale |
Outcome Assessed |
Corresponding Items in PoRI |
| Oswestry Disability Scale [22] |
10 |
physical functioning and ability to manage everyday life |
physical functioning items |
| Patient Assessment of Constipation-Quality of Life (PAC-QOL) [23] |
28 |
the impact of constipation symptoms |
bowel functioning items |
| Patient Assessment of Constipation-Symptoms (PAC-SYM)[24] |
12 |
assessing rectal symptoms, stool symptoms, and abdominal discomfort |
bowel functioning items |
| Brief Pain Inventory(BPI) [25] |
32 |
chronic non-malignant pain |
pain items |
| Opioid Side Effects Checklist [26] |
20 |
symptoms associated with opioid therapy |
opioid side effect items |
| Symptom Distress Scale [27] |
|
emotional/psychological symptoms |
emotional subscale items |
| Rotterdam Symptom Checklist [28] |
23 |
physical symptom distress, psychological distress, activity level, and overall global life quality |
activity levels, miscellaneous symptoms, and psychological distress items |
| Brief Fatigue Inventory[29] |
10 |
fatigue severity |
physical functioning and general symptom items |
| Health Status Questionnaire [30] |
36 |
comprehensive health questionnaire |
overall health state items |
