Serial perioperative optic nerve sheath measurements for early diagnosis of the transurethral resection of prostate syndrome: an open label pilot study

Ain-Shams Journal of Anesthesiology

Table 5 Multivariate logistic regression to find out factors affecting TURP syndrome

Variable	Beta coefficient	Standard error	P	Odds ratio	Odds ratio Lower bound (95%)	Odds ratio Upper bound (95%)
Duration of surgery(minutes)	0.060	0.041	0.145	1.061	0.980	1.150
Volume of irrigation fluid (L)	− 0.049	0.097	0.615	0.952	0.787	1.152
Body mass index (kg/m²)
18.5–24.99 {normal BMI}				1.000
< 18.5 {underweight}	1.643	2.370	0.488	5.170	0.050	537.945
25–29.99 {overweight}	2.203	1.487	0.139	9.050	0.491	166.916