TABLE 2.

Postoperative pain (narrative synthesis).

#	Study	Postoperative pain
1	Pereira et al. (2020)	Lower with ibuprofen vs. placebo (1–24 h postop)
2	Bhutani et al. (2019)	Lower with piroxicam vs. placebo (6 h–5 days postop)
3	Iero et al. (2018)	Lower with standard care + liposomal bupivacaine vs. standard care (0–7 days postop)
4	Sánchez-Pérez et al. (2018)	Lower with dexketoprofen trometamol vs. placebo (immediate postop)
5	Bahammam et al. (2017)	Lower with ibuprofen or dexamethasone vs. placebo, but no statistically significant difference between ibuprofen and dexamethasone (1–3 days postop)
6	Meta et al. (2017)	No statistically significant difference between ketorolac vs. ketorolac + betamethasone (3–14 days postop)
7	Samieirad et al. (2017)	Lower with codeine vs. caffeine (3–6–12 h postop)
8	Raja Rajeswari et al. (2017)	Inconclusive results
9	Li et al. (2015)	Lower with dexmedetomidine + fentanyl vs. midazolam + fentanyl (2–4 h postop)
10	Bölükbasi et al. (2012)	Lower with lornoxicam vs. placebo (0.5–4 h postop)
11	Karabouda et al. (2007)	No statistically significant difference between meloxicam vs. teloxicam (1–7 days postop)