Table 2.

Frequency (%) of surgeries that had at least one prescription for each medication and drug class

	Hip replacement (n = 558)	Knee replacement (n = 724)	Total (n = 1282)
Opioids	557 (99.8)	724 (100)	1281 (99.9)
Oxycodone	488 (87.5)	631 (87.2)	1119 (87.3)
Tapentadol	322 (57.7)	479 (66.2)	801 (62.5)
Fentanyl	152 (27.2)	182 (25.1)	334 (26.1)
Morphine	166 (29.8)	167 (23.1)	333 (26)
Buprenorphine	122 (21.9)	210 (29)	332 (25.9)
Tramadol	83 (14.9)	68 (9.4)	151 (11.8)
Oxycodone-naloxone	74 (13.3)	52 (7.2)	126 (9.8)
Hydromorphone	25 (4.5)	13 (1.8)	38 (3)
Codeine	4 (0.7)	0	4 (0.3)
Paracetamol	556 (99.6)	723 (99.9)	1279 (99.8)
Paracetamol	556 (99.6)	723 (99.9)	1279 (99.8)
Nonsteroidal anti-inflammatories	106 (19)	138 (19.1)	244 (19)
Aspirin (dose ≥ 150 mg/day)	37 (6.6)	67 (9.3)	104 (8.1)
Celecoxib	37 (6.6)	46 (6.4)	83 (6.5)
Ibuprofen	12 (2.2)	14 (1.9)	26 (2)
Diclofenac	9 (1.6)	7 (1)	16 (1.3)
Indomethacin	5 (0.9)	2 (0.3)	7 (0.6)
Parecoxib	4 (0.7)	3 (0.4)	7 (0.6)
Naproxen	4 (0.7)	2 (0.3)	6 (0.5)
Ketoprofen	2 (0.4)	0	2 (0.2)
Ketorolac	1 (0.2)	1 (0.1)	2 (0.2)
Piroxicam	0	1 (0.1)	1 (0.1)
Antiepileptics	64 (11.5)	91 (12.6)	155 (12.1)
Pregabalin	53 (9.5)	80 (11.1)	133 (10.4)
Gabapentin	8 (1.4)	8 (1.1)	16 (1.3)
Carbamazepine	3 (0.5)	5 (0.7)	8 (0.6)
Topiramate	0	2 (0.3)	2 (0.2)
Corticosteroids	65 (11.7)	52 (7.2)	117 (9.1)
Dexamethasone	39 (7)	30 (4.1)	69 (5.4)
Prednisolone	24 (4.3)	20 (2.8)	44 (3.4)
Hydrocortisone	6 (1.1)	6 (0.8)	12 (0.9)
Methylprednisolone	1 (0.2)	0	1 (0.1)
Antidepressants	40 (7.2)	65 (9)	105 (8.2)
Amitriptyline	27 (4.8)	30 (4.1)	57 (4.5)
Venlafaxine	8 (1.4)	20 (2.8)	28 (2.2)
Duloxetine	7 (1.3)	15 (2.1)	22 (1.7)
Anaesthetics	7 (1.3)	10 (1.4)	17 (1.3)
Ketamine	7 (1.3)	10 (1.4)	17 (1.3)
Muscle relaxants	2 (0.4)	0	2 (0.2)
Baclofen	2 (0.4)	0	2 (0.2)

Values may not add up to 100% due to rounding