Evaluation of different MRI parameters in benign prostatic hyperplasia-induced bladder outlet obstruction

Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Pearson correlation coefficients (r) between Q_max, Q_max grades, IPSS, PVR and PUA, TPV, TZV, TZI, IPP, AFMS distance

		PUA	TPV	TZV	TZI	IPP	AFMS distance
Q _max	r	− 0.094	− 0.420	− 0.408	0.446	− 0.415	− 0.286
Q _max	p	0.5964	0.0133*	0.0167*	0.01605*	0.0147*	0.1010
Q_max grades	r	0.157	0.523	0.554	− 0.511	0.437	0.289
Q_max grades	p	0.3750	0.0015*	0.0007*	0.02317*	0.0098*	0.0971
IPSS	r	0.209	0.590	0.617	− 0.551	0.543	0.379
IPSS	p	0.2360	0.0002*	0.0001*	0.01513*	0.0009*	0.0272*
PVR	r	0.367	0.569	0.531	− 0.576	0.694	0.381
PVR	p	0.0328*	0.0004*	0.0012*	0.01146*	< 0.0001*	0.0261*

PUA prostatic urethral angle; TPV total prostate volume; TZV transition zone volume; TZI transition zone index; IPP intravesical prostatic protrusion; AFMS anterior fibromuscular stroma; Q_max maximum flow rate; PVR postvoid residual urine; IPSS International Prostate Symptom Score
Statistical significance (p values with asterisk) was considered at the critical level of 0.05