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Table 1 Characteristics and quality assessment of included studies

From: Sutureless technique versus conventional surgery in the primary treatment of total anomalous pulmonary venous connection: a systematic review and meta-analysis

Author Publication year Study design Surgical approach Patients M/F (sex) Type of TAPVC (supracardiac/car-diac/infracar-diac/mixed) Weight (Kg) Age Preoperative PVO (n) Follow-up time NOS
Gao [8] 2017 Retrospective ST
CS
56/25
74/24
63/0/14/4
69/0/11/18
4.3(3.3–5.3)b
4.6(3.4–6)
60(25.5–150)d
60(29.3–180)d
24
28
12 ma
12 m
7
(High)
Cui [9] 2016 Retrospective ST
CS
14
46
NA 3.5 ± 0.8
4.4 ± 1.2
1.8 ± 0.4 m
2.4 ± 2.2 m
NA 46 ma
46 m
6
(High)
Shi [10] 2017 Retrospective ST
CS
78
690
59/2/13/4
289/278/73/50
NA 323.7 ± 23.8d
202.6 ± 41d
35
157
23.2(1–112)m
23.2(1–112)m
7
(High)
Yamashita [11] 2013 Retrospective ST
CS
5/2
4/1
4/0/2/1
3/1/1/0
3.4(3–8)
3.6(2.6–4.3)
119(55–425)d
93(42–147)d
6
2
3.9 ± 2.8y
7.2 ± 5.2y
6
(High)
Yanagawa [12] 2011 Retrospective ST
CS
12/9
20/16
12/4/5/0
19/11/6/0
3.3(1.9–5)
3.5(1.7–11.7)
11(1–128)d
19(1–1157)d
17
18
21.1(0.2–104.8)m
45.8(0–143.1)m
7
(High)
Honjo [13] 2010 Retrospective ST
CS
2/6
2/12
0/0/0/8
0/0/0/14
3.8 ± 0.6
4.7 ± 3.2
33 ± 26 d
70 ± 81 d
7
8
50 ± 56 m
121 ± 110 m
6
(High)
Lo Rito [14] 2015 Retrospective ST
CS
37/32
81/45
32/6/16/15
59/33/20/14
3.6(3.1–4)
3.6(3.1–4.6)
18(2–52)d
36(4–85)d
33
44
6.4yc
6.4y
7
(High)
  1. a median value b median value and range c mean value
  2. d days, m months, y years
  3. ST Sutureles technique group, CS Conventional surgery group, NOS Newcastle-Ottawa scale, NA Not available