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Table 2 Population characteristics

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

Author (year)

Total no. of participants (n)

LTAP (no. of participants)

UTAP (no. of participants)

Mean age (SD)

Sex

LTAP

UTAP

Uzunay NT, et al. 2024 [4]

60

30

30

43.7 (15.54)

48.97 (13.68)

M = 12 (20%) F = 48 (80%)

Sahap M, et al., 2023 [20]

63

21

21

48.0 (8.9)

47.5 (11.8)

M = 20 (47.61%) F = 22 (52.38%)

Soytürk İ, et al. 2023 [3]

170

59

55

50 (14.25)

55 (13.75)

M = 39 (34.21%) F = 75 (65.79%)

Emile SH, et al. 2022 [21]

110

36

36

41.1 (11.8)

40.9 (12.5)

M = 9 (12.5%) F = 63 (87.5%)

Fattoh, et al. 2020 [16]

60

20

20

41.45 (11.20)

42.05 (9.70)

NR

Venkatraman R, et al. 2020 [19]

80

40

40

38.06 (10.06)

39.38 (8.32)

M = 27 (33.75%) F = 53 (66.25%)

Ravichandran NT, et al. 2017 [18]

60

30

30

45.73 (14.44)

41.5 (14.62)

M = 16 (26.6%) F = 44 (73.3%)

  1. M, males; F, females, SD, standard deviation, LTAP, Laparoscopic-assisted transversus abdominis plane block, UTAP, Ultrasound-guided transversus abdominis plane block