BOO	bladder outlet obstruction
CT	computerized tomography
ESSIC	European Society for the Study of Interstitial Cystitis
GRA	global response assessment
HD	hydrodistention
HIC	IC/BPS patients with Hunner’s lesion
IC/BPS	Interstitial cystitis/bladder pain syndrome
ICPI	Interstitial Cystitis Problem index score
ICSI	Interstitial cystitis Symptom Index score
MBC	maximal bladder capacity during cystoscopic hydrodistention
MRI	magnetic resonance imaging
NHIC	IC/BPS patients without Hunner’s lesion
OSS	O’Leary Sant symptom score
Pdet	detrusor pressure at maximal urinary flow rate
VAS	visual analog scale for pain