Table 2. Benzodiazepine vs non-benzodiazepine users.

MME: Milligram morphine equivalents

Variable	Non-Benzodiazepine User N=530	Benzodiazepine User N=104	p value
Age (SD)	59.6 (14.8)	58.5 (14.2)	0.494
Gender			0.261
Female	371 (70.0%)	67 (64.4%)
Male	159 (30.0%)	37 (35.6%)
Initial Postoperative Opioid Prescription Factors
Total MME/Prescription (SD)	138.3 (123.7)	142.7 (190.7)	0.762
Duration in days (SD)	4.2 (3.8)	4.3 (4.8)	0.863
Quantity of Pills (SD)	21.6 (13.6)	21.3 (17.8)	0.821
Preoperative Opioid Use			0.014
No	389 (73.4%)	64 (61.5%)
Yes	141 (26.6%)	40 (38.5%)
1+ Opioid Refill			0.003
No	383 (72.3%)	60 (57.7%)
Yes	147 (27.7%)	44 (42.3%)
# of Postoperative Opioid Refills	2.3 (2.2)	3.6 (3.9)	0.009
Prolonged 3-6 Month Opioid Use			0.004
No	465 (87.7%)	80 (76.9%)
Yes	65 (12.3%)	24 (23.1%)