Study parameters examined in patients during phases 1a, 2 and 3
| Parameter | Data collection |
| Hospital | Name and initial discharge dates |
| PN prescriber characteristics | Degree, specialty, nutrition certification |
| Patient demographics | Age, gender, diagnoses, reason for home PN, CIRS Score |
| Patient QOL assessment | EQ-5D-3L |
| PN characteristics | Macronutrients, micronutrients, osmolarity, infusion cycle |
| Catheter Information | Catheter type, dressing type, insertion date, reinsertion date(S)/reason(S), infection type/dates, occlusions type/dates, other complications |
| Nursing | Agency, visit frequency |
| Lab draw | Frequency |
| Physician office visit | Frequency |
| PN Formula adjustment | Frequency |
| Visits to ED | Name, dates, reasons |
| Rehospitalisations | Name, dates, reasons |
| Payer(s) | Federal, commercial |
| Cost of PN formulation | Daily, weekly, monthly |
| MNST recommended changes | No of recommendations, accepted? Yes/No |
| Qualitative assessment of benefit | Grounded theory |
| Outcomes | Access device events, adverse drug reactions, ED use, unplanned hospitalisation |
CIRS, Cumulative Illness Rating Scale; ED, emergency department; EQ-5D-3L, Euroquol 5 Dimension-3 Level; MNST, multidisciplinary nutritional support team; PN, parenteral nutrition; QOL, quality of life.