Tag
NPi
Articles in the Bladder Diaries journal tagged NPi, newest first.

Urinary Urgency: Phenotype Before You Prescribe
Urinary urgency masquerades as overactive bladder. Phenotype it on the bladder diary, excluding overflow and fluid imbalance, before reaching for a drug.

Nocturnal Polyuria Index (NPi): Calculation and Workup
Calculating the nocturnal polyuria index from a bladder diary: age-stratified thresholds, the 4Is gateway, and the PT-led workup before any drug.

Frequency Volume Chart: The ICS-Formal Bladder Diary
A frequency volume chart is the ICS-formal name for the volumetric core of a bladder diary. The chart that produces 24hVV, MVV, AVV, and NPi at the desk.

Normal Capacity of the Bladder: Functional vs Anatomical
The 300-500 mL textbook range is anatomical capacity. The number that drives clinical decisions is functional capacity, read off a 3-day bladder diary.

Bladder Diary App: A Clinician's Eight-Point Checklist
A clinician's eight-point checklist for evaluating a bladder diary app: ICS-grounded requirements and what gets quietly broken when an app misses one.
