Effectiveness and safety of acupuncture for elderly overactive bladder population in Hong Kong: study protocol for a randomized controlled trial

Table 2 Summary of outcome measurements at different time points

Outcome measurements	Data collection instrument	Baseline	Treatment	Follow up
Outcome measurements	Data collection instrument	Baseline	Week 8 (end of treatment)	Week 20 (end of follow-up period)
The 7-day voiding diary	Diary	✓	✓	✓
Urinary NGF level	ELISA	✓	✓	✓
IIQ-7	Questionnaire	✓	✓	✓
UDI-6	Questionnaire	✓	✓	✓
Adverse events	Adverse event report form		✓

NGF nerve growth factor, IIQ-7 Incontinence Impact Questionnaire, UDI-6 Urogenital Distress Inventory

ISSN: 1745-6215