Table 1 Characteristics of included studies

Asku 2019 [22]

23

23

0.25% BUPI 20 ml

T8

Paracetamol 1 g iv; tramadol 100 mg; morphine PCA

Altiparmak(1)2019 [23]

21

20

0.25% BUPI 20 ml × 2

T7

tramadol PCA; morphine 4 mg iv as needed

Canıtez 2021 [24]

41

41

0.5% BUPI 7.5 ml + 2% LDC 2.5 ml + NS 10 ml × 2

T8

Paracetamol 1 g iv q8h; tenoxicam 20 mg iv q12h; tramadol 1 mg/kg as needed

Kwon 2020 [25]

26

27

0.20% ROPI 20 ml × 2

T7

Fentanyl 0.4μg/kg as needed in PACU; dexketoprofen 50 mg, tramadol 50 mg or meperidine 25 mg as needed

Sethi 2021 [26]

33

33

0.25% Levo-BUPI 20 ml × 2

T7

Paracetamol 1 g iv q8h;tramadol PCA; fentanyl 30μg iv as needed

Tulgar 2018 [27]

15

15

0.375% BUPI 20 ml × 2

T9

Fentanyl 25μg as needed in PACU; tramadol PCA;

paracetamol 1 g iv q8h; diclofenac Na 75 mg im and meperidine 50 mg iv as needed

Verma 2020 [28]

42

42

0.375% BUPI 20 ml × 2

T7

Paracetamol 1 g iv q8h; aqueous diclofenac 75 mg iv as needed

Vrsajkov 2021 [29]

30

30

0.25% Levo-BUPI 20 ml + DEX 2 mg × 2

T7

Acetaminophen 1 g iv q8h; ketorolac 30 mg q8h; tramadol 1 mg/kg as needed

Yildiz 2021 [30]

34

34

0.5% BUPI 10 ml + 2% LDC 5 ml + NS 5 ml × 2

T8

Acetaminophen 1 g iv; tenoxicam 20 mg iv; tramadol 50 mg as needed

Peker 2020 [31]

38

44

0.25% BUPI 20 ml × 2

T7

Paracetamol 1 g iv; tenoxicam 20 mg iv; tramadol 1 mg/kg as needed

Altiparmak(2)2019 [32]

34

OSTAPB(34)

0.375% BUPI 20 ml × 2

T7

Dexketoprofen trometamol 50 mg iv;tramadol PCA; morphine 4 mg iv as needed

Ibrahim 2020 [33]

21

Control(21) OSTAPB(21)

0.25% BUPI 20 ml × 2

T8

Fentanyl 15-20μg or morphine 1-2 mg or pethidine 15-30 mg iv in PACU;paracetamol 1 g iv q6h; morphine PCA

Ozdemir 2021 [34]

32

OSTAPB(32)

0.25% BUPI 10 ml + 2% PRI 10 ml × 2

T7

Paracetamol 1 g iv; tenoxicam 20 mg iv; paracetamol 15 mg/kg iv q6h; fentanly PCA; meperidine 25 mg as needed;

Sahu 2021 [35]

30

OSTAPB(30)

0.20% ROPI 20 ml + DEX 4 mg × 2

T7

Paracetamol 1 g iv q6h; tramadol 1 mg/kg and diclofenac 75 mg iv infusion as needed

Aygun 2020 [36]

40

QLB(40)

0.5% BUPI 15 ml + 2% LDC 5 ml + NS 10 ml × 2

T9

Paracetamol 1 g iv; tenoxicam 20 mg iv; morphine PCA