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Table 2 Characteristics of included trials

From: Modified valsalva versus standard valsalva for cardioversion of supraventricular tachycardia: systematic review and meta-analysis

Study

Study design

Gender

Mean age

SBP (mm Hg), DBP (mm Hg), Pulse (beats/min)

Number of patients in Group 1

Number of patients in Group 2

Appelboam et al. [2]

RCT

Group 1; (Male; n = 80, Female; n = 134), Group 2; (Male; n = 89, Female; n = 125)

Group 1; 54.5 (± 16.8), Group 2; 55.1 (± 16.3)

Group 1 (SBP; 124 (± 22), DBP; 82 (± 18)), pulse rate 179 (± 29), Group 2 (SBP; 125 (± 23), DBP; 83 (± 19)), pulse rate 172 (± 29)

214

214

Çorbacıoğlu [5] 2017

RCT

Group 1; (Male; n = 13, Female; n = 15), Group 2; (Male; n = 10, Female; n = 18)

Median (IQR) Group 1; 48.4 (40–60), Group 2; 44.3 (34–53.7)

Group 1 (SBP; 125.3 (115–137), DBP; 75.6 (64–86)) pulse rate 180 (160–195), Group 2 (SBP; 123.6 (100–144), DBP; 75.2 (60–88)) pulse rate 180 (160–201),

28

28

Ceylan et al. [3]

RCT

Group 1; (Male; n = 14, Female; n = 19), Group 2; (Male; n = 17, Female; n = 15)

Median (IQR) Group 1; 61 (46–67), Group 2; 50(36–61)

Group 1 (SBP; 126 (113–138), DBP; 76 (71–89)) pulse rate 167 (147–187), Group 2 (SBP; 116 (106–136), DBP; 81 (73–89)), pulse rate 177 (165–192)

33

32

Chen [4] 2019

RCT

NA

NA

NA

119

119

  1. *Group 1: Standard valsalva maneuver. Group 2: modified valsalva maneuver
  2. SVT: supraventricular tachycardia, SBP: systolic blood pressure, DBP: diastolic blood pressure