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. Author manuscript; available in PMC: 2024 May 2.
Published in final edited form as: J Pain Relief. 2023 Oct 5;12(Suppl 1):1000002.

Table 3:

Demographics of patients undergoing ambulatory surgery receiving Zynrelef® patients and who received a block or no block. This table also includes the distribution of patients according to race, history of anxiety, depression, chronic pain and preoperative use of opioids, pain on arrival in PACU, pain 1 hour after the administration of opioid in PACU, total opioid administration prior to discharge, pain at discharge, patients filling their opioid prescription at discharge and patients requesting another opioid prescription after discharge.

Mean Total
(n=95)
Nerve block
(n=75)
No nerve block
(n=20)
Age (years)
Mean (SD) 61.37 (16.35) 63.7 (15.7) 52.8 (16.4)
Height (cm)
Mean (SD) 175.09 (11.41) 176.8 (10.8) 168.6 (11.5)
Weight (kg)
Mean (SD) 84.55 (17.92) 86 (16.3) 79 (22.5)
BMI
Mean (SD) 27.23 (5.24) 27.2 (4.8) 27.2 (6.8)
Gender
Female % (n) 20 (19) 9.3 (7) 60 (12)
Male % (n) 80 (76) 90.7 (68) 40 (8)
Race
African American % (n) 9.5 (9) 10.7 (8) 5 (1)
American Indian % (n) 1.1 (1) 1.3 (1) 0 (0)
Asian % (n) 2.1 (2) 1.3 (1) 5 (1)
Declined % (n) 2.1 (2) 1.3 (1) 5 (1)
White % (n) 85.3 (81) 85.3 (64) 85 (17)
Hispanic origin
White–Hispanic % (n) 0 (0) 0 (0) 0 (0)
History of anxiety
No % (n) 62.1 (59) 66.7 (50) 45 (9)
Yes % (n) 37.9 (36) 33.3 (25) 55 (11)
History of depression
No % (n) 72.6 (69) 78.7 (59) 50 (10)
Yes % (n) 27.4 (26) 21.3 (16) 50 (10)
History of chronic pain
No % (n) 73.7 (70) 76 (57) 65 (13)
Yes % (n) 26.3 (25) 24 (18) 35 (7)
Preop use of opioids
No % (n) 86.3 (82) 90.7 (68) 70 (14)
Yes % (n) 13.7 (13) 9.3 (7) 30 (6)
PACU pain score prior to opioids
Mean (SD) 4.05 (3.43) 4.1 (3.4) 3.8 (3.6)
PACU pain score after opioids
Mean (SD) 2.44 (2.53) 2.5 (2.6) 2.2 (2.4)
Total OME (mg)
Mean (SD) 9.77 (12.2) 9.5 (12) 10.7 (13.2)
Discharge pain score
Mean (SD) 1.85 (2.19) 2 (2.3) 1.4 (1.8)
Opioid prescription at discharge
No % (n) 47.4 (45) 49.3 (37) 40 (8)
Yes % (n) 52.6 (50) 50.7 (38) 60 (12)
Opioid prescription filled at discharge
No % (n) 57.9 (55) 61.3 (46) 45 (9)
Yes % (n) 42.1 (40) 38.7 (29) 55 (11)
Opioid refill w/in 30 days after discharge
No % (n) 47.4 (45) 49.3 (37) 40 (8)
Yes % (n) 52.6 (50) 50.7 (38) 60 (12)