Urological and nursing-related predictors of unplanned hospital readmission after percutaneous nephrolithotomy: A prospective cohort study

Table 6 Multivariate logistic regression analysis of the predictors of post-percutaneous nephrolithotomy hospital readmission

Potential predictors	OR	95%CI	P value
Preoperative predictors
Positive pus cells in urine analysis	5.8	(1.7-19.5)	0.004
Stone size	0.6	(0.23-1.5)	0.282
Preoperative hydronephrosis	1.43	(0.41-5)	0.575
Intraoperative predictors
Total operation time (minute)	1	(0.92-1.04)	0.434
PNL procedural time (minute)	1.1	(1-1.15)	0.084
Multiple renal punctures	2.9	(0.8-10.8)	0.103
Insertion of a double-J stent	0.25	(0.06-1.1)	0.060
Occurrence of intraoperative injuries	15	(3-75)	0.001
Postoperative predictors
Postoperative urinary tract infections	0.58	(0.43-9.91)	0.554
Discharge with urethral catheter	1.1	(1-1.3)	0.076
Duration of urethral catheterization	1.13	(1-1.3)	0.110
Inadequate activity daily living instructions	0.12	(0.14-1.26)	0.123
Inadequate urethral catheter care instructions	0.25	(0.08-0.9)	0.035

PNL: Percutaneous nephrolithotomy.