Table 4.

Logistic regression analysis of predictors of electrolyte derangement.

	Exp(B)	S.E.	p value
Resection time	1.013	0.082	0.873
Volume of irrigant used	0.918	0.116	0.461
Weight of tissue resected	1.249	0.124	0.073
Age	0.934	0.102	0.502
Comorbids	0.035	2.271	0.140
Preoperative sodium	0.267	0.376	0.000
Surgeon	0.103	1.837	0.217