Table 2.

Anesthetic and analgesic protocol followed in the included studies.

Study	Anesthesia	Peripheral anesthesia		Basic analgesia protocol	Anesthetic cocktail
		T	C		T	C
Aliste et al. (9)	SA	PENG	SFIB	PCA (morphine bolus = 1 mg; lockout interval = 8 min), oral acetaminophen (1 g, q6h) and ketoprofen (100 mg, q8h) during 48 h	20 mL of adrenalized levobupivacaine 0.50%	40 mL of adrenalized levobupivacaine 0.25%
Bravo et al. (27)	SA	PENG	PAI	PCA (morphine bolus = 1 mg; lockout interval = 8 min), oral acetaminophen (1 g, q6h) and ketoprofen (100 mg, q8h) during 48 h	20 mL of adrenalized bupivacaine 0.50%	60 mL of adrenalized bupivacaine 0.25%
Carella et al. (28)	SA	PENG	SFIB	Intravenous paracetamol (1 g) at the end of the surgery, oral paracetamol (1 g, q6h) and etoricoxib (60 mg, qd), and PCA (0.2% morphine) after surgery	20 mL of ropivacaine 0.75%	40 mL of ropivacaine 0.375%
Choi et al. (29)	GA	PENG	SFIB	PCA (fentany l7 μg/kg), oral celecoxib (200 mg, q12h), and intravenous acetaminophen (1 g, q12h)	20 mL of ropivacaine 0.2% with epinephrine 1:200,000	30 mL of ropivacaine 0.2% with epinephrine 1:200,000
Domagalska et al. (14)	SA	PENG	Sham	Intravenous acetaminophen (1 g, q6h), metamizole (1 g, q6h), and oral ketorolac (50 mg, q12h)	20 mL of ropivacaine 0.5%	20 mL of NaCl 0.9%
Et et al. (12)	SA	PENG	PAI	Intravenous paracetamol (1 g, q8h) and oral diclofenac (50 mg, 25 mg ≥75 years, q8h)	20 mL of bupivacaine 0.5%	30 mL of 5% bupivacaine with 30 mL of saline
Iglesias et al. (30)	SA	PENG	PAI	Oral paracetamol (500 mg, q8h), etoricoxib (60 mg, q12h), and gabapentin (300 mg, qn)	20 mL of 0.25% bupivacaine with epinephrine	80 mL of morphine 10 mg, ketorolac 60 mg, and bupivacaine 0.25% with epinephrine
Kukreja et al. (15)	SA	PENG	Blank	Oral paracetamol and celecoxib	25 mL of bupivacaine 0.5%	None
Vamshi et al. (11)	GA	PENG	SFIB	PCA (1 mg morphine bolus with a lockout time of 10 min with a maximal dose of 20 mg/4 h), and 1 g intravenous paracetamol (1 g) at 6 h after surgery	30 mL of bupivacaine 0.25% with clonidine 1 μg/kg	30 mL of bupivacaine 0.25% with clonidine 1 μg/kg
Ye et al. (13)	GA	PENG	PAI	Oral celecoxib (200 mg, q12h)	20 mL of ropivacaine 0.5% with 1:200,000 adrenaline	30 mL of ropivacaine 0.33% with 1:200,000 adrenaline
Zheng et al. (5)	SA	PENG	PAI	PCA (fentanyl 1,500 μg and ramosetron 0.6 mg), and oral naproxen (VIMOVO® 500/20 mg)	30 mL of ropivacaine 0.5%	20 mL of ropivacaine 0.75%, ketorolac 60 mg, and epinephrine 1 g

C, control group; GA, general anesthesia; PAI, the periarticular anesthetic infiltration; PCA, patient-controlled analgesia; PENG, the pericapsular nerve group block; PLA, posterolateral approach; SA, spinal anesthesia; SFIB, the suprainguinal fascia iliaca block; T, treatment group.