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. 2022 Oct 4;328(13):1326–1335. doi: 10.1001/jama.2022.16844

Table 4. Patient-Reported Medication Adverse Effects.

Patient-reported adverse outcome No. (%) of patients
Opioid-sparing protocol (n = 95) Standard care (n =98)
≥1 Reported adverse effects 18 (18.9) 31 (31.6)
Gastrointestinal upset 12 (12.6) 17 (17.3)
Drowsiness 7 (7.4) 20 (20.4)
Dizziness 2 (2.1) 6 (6.1)
Constipation 2 (2.1) 5 (5.1)
Pruritus 0 3 (3.1)
Headaches 1 (1.1) 2 (2.0)