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Table 1 Study characteristics

From: Laparoscopic-assisted versus ultrasound-guided transversus abdominis plane block for laparoscopic cholecystectomy: a systematic review and meta-analysis

Author & Year

Study Design

Region/ Place of Study

Mean BMI (SD)

Mean operation time (SD)

Outcomes assessed

LTAP

UTAP

LTAP

UTAP

Uzunay NT, et al. 2024 [4]

RCT

Turkey

28.33 (5.11)

27.33 (3.46)

46.83 (10.7)

45.03 (8.38)

VAS, PONV, time to first bowel evacuation.

Sahap M, et al., 2023 [20]

RCT

Turkey

26.5 (3.6)

28.2 ± 4.5

NR

NR

VAS.

Soytürk İ, et al. 2023 [3]

RCT

Turkey

27.8 (6.55)

30.3 (4.8)

41 (8.25)

36 (8.5)

VAS, time to first analgesic need, time to first bowel evacuation, time to first flatus.

Emile SH, et al. 2022 [21]

RCT

Egypt

29.9 (6.6)

30.7 (5.8)

63.5 (14.6)

59.5 (9.4)

VAS Score, time to first analgesic need, PONV, time to first flatus.

Fattoh, et al. 2020 [16]

RCT

Egypt

NR

NR

63.55 (12.04)

60.2 (11.47)

VAS, PONV, postoperative morphine consumption.

Venkatraman R, et al. 2020 [19]

RCT

India

NR

NR

50.48 (5.89)

52.91 (6. 62)

VAS, postoperative morphine consumption

Ravichandran NT, et al. 2017 [18]

RCT

India

NR

NR

NR

NR

VAS, time to first analgesic need, postoperative morphine consumption, PONV, time to first bowel evacuation, time to first flatus.

  1. BMI, Body Mass Index; SD, standard deviation, VAS, Visual analog scale; PONV, Postoperative nausea vomiting