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. 2021 Jul 21;2021:5520517. doi: 10.1155/2021/5520517

Table 3.

Data on opioid consumption in oral morphine equivalents.

Opioid analysis ketamine versus standard therapy
Ketamine Standard therapy Total P value
(N = 17) (N = 18) (N = 35)
PCA 0.04581
 N 17 18 35
 Mean (SD) 90.6 (76.5) 137.6 (75.2) 114.8 (78.4)
 Range (0.0–248.0) (40.8–315.6) (0.0–315.6)

OR 0.10951
 N 17 18 35
 Mean (SD) 57.8 (22.8) 72.5 (23.9) 65.4 (24.2)
 Range (30.0–90.0) (30.0–135.0) (30.0–135.0)

Post 0.33681
 N 17 18 35
 Mean (SD) 31.4 (25.2) 38.6 (22.2) 35.1 (23.6)
 Range (0.0–89.0) (7.5–75.0) (0.0–89.0)

Total 0.02821
 N 17 18 35
 Mean (SD) 179.9 (113.1) 248.7 (88.8) 215.3 (105.7)
 Range (51.1–427.0) (139.5–450.6) (51.1–450.6)

1Equal variance t-test. PCA: patient-controlled analgesia pump; OR: operating room; and Post: PO pain meds given in the postoperative period.