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Table 1 Characteristics of included studies and patients

From: Suprascapular nerve block is a clinically attractive alternative to interscalene nerve block during arthroscopic shoulder surgery: a meta-analysis of randomized controlled trials

Study

Country

Sample sizes, n (SSNB/ISB)

Age, y, mean (SSNB/ISB)

% Female (SSNB/ISB)

BMI, kg/m2 (SSNB/ISB)

Follow-up

Surgery

Abdallah 2020 [1]

Canada

67/69

46/40

NA

26.1/26.2

24 h

Shoulder arthroscopy

Auyong 2018 [3]

USA

60/61

55/54

33/40

28.9/27.8

24 h

Arthroscopic rotator cuff or Bankart repair

Cao 2019 [7]

China

25/25

57.72/56.8

40/60

24.69/24.38

48 h

Arthroscopic rotator cuff or Bankart repair

Desroches 2016 [11]

France

28/25

60.8/56.5

39/36

NA

7 d

Arthroscopic rotator cuff repair

Ikemoto 2010 [20]

Brazil.

15/15

57/54

73.3/66.7

NA

48 h

Arthroscopic rotator cuff repair

Jiang 2017 [21]

China

24/23

56.4/55

62.5/65.2

23.2/22.9

24 h

Shoulder arthroscopy

Kumara 2016 [25]

India

30/30

NA

NA

NA

24 h

Shoulder arthroscopy

Li 2018 [28]

China

20/20

45.65/47.69

60/55

23.58/24

48 h

Shoulder arthroscopy

Lim 2020 [29]

Singapore

20/20

40.3/42.8

25/35

27/25.3

24 h

Shoulder arthroscopy

Liu 2020 [30]

China

54/53

NA

NA

NA

3 d

Shoulder arthroscopy

Mai 2019 [31]

China

60/60

56.7/56.6

63.3/65

323.2/23.4

12 h

Shoulder arthroscopy

Ovesen 2014 [34]

Denmark

23/22

48.95/48.70

70/50

NA

24 h

Arthroscopic subacromial decompression

Petroff 2020 [35]

Germany

24/24

50/52

42/50

25.8/26

24 h

Shoulder arthroscopy

Singelyn 2004 [40]

France

30/30

52/54

50/63

25.77/25.16

24 h

Arthroscopic acromioplasty

Wang 2019 [42]

China

20/21

48.7/50.86

55/52.4

23.47/22.83

24 h

Shoulder arthroscopy

Wiegel 2017 [43]

Germany

164/165

53/55

38

 

24 h

Shoulder arthroscopy

Yao 2019 [44]

China

48/47

53,6/54.1

37.5/40.4

24.4/24.8

24 h

Arthroscopic rotator cuff repair

  1. Abbreviations: SSNB, suprascapular nerve block; ISB, interscalene block
  2. The detailed baseline characteristics information including country, number of participants, age, gender, BMI, follow-up time, and type of surgery