Study
|
N
|
Early pre– term (≤ 32 weeks)
|
Late pre– term (32–37 weeks)
|
Term (≥ 37 weeks)
|
---|
(ms)
| |
QT
|
CI
|
QRS
|
CI
|
PR
|
CI
|
QT
|
CI
|
QRS
|
CI
|
PR
|
CI
|
QT
|
CI
|
QRS
|
CI
|
PR
|
CI
|
---|
Abboud et al. (1990) [20]
|
21
| | | | | | |
264
|
224–302
|
46.3
|
44–49
|
103
|
88–117
|
245
|
225–265
|
46.4
|
43–50
|
115.8
|
91–141
|
Taylor et al. (2003) [24]
|
199
|
251
|
289–304
|
47
|
61–65
|
102
|
110–114
| | | | | | |
259
|
306–321
|
55
|
70–75
|
105
|
133–142
|
Chia et al. (2005) [22]
|
374
|
228.4
|
219–239
|
49.4
|
45–54
|
105.6
|
99–118
|
235
|
230–240
|
51
|
48–52
|
110
|
107–113
|
243
|
239–245
|
63
|
51–55
|
110
|
108–112
|
Taylor et al. (2005) [25]
|
15
|
255
| |
62
| |
92.5
| | | | | | | |
256
| |
56
| |
103.8
| |
Hayashi R et al. (2009) [23]
|
48
| | | | | | | | |
57
| | | | | |
52
| | | |
Arya et al. (2015) [21]
|
13
| | |
96
| |
132.8
| | | |
85
| |
128
| | | |
76
| |
135
| |
Yilmaz et al. (2015)
|
64
|
235.5
| |
54
|
47–57
|
97.5
|
91–105
|
233
| |
56
|
49–63
|
109
|
89–110
| | | | | | |
Wacker Gussmann et al. (2017) [26]
|
117
| | | | | | |
253
|
247–259
|
50.3
|
49–51
|
107.3
|
103–110
|
250
|
246–254
|
53
|
52–54
|
108
|
104–112
|
- CI- 95% Confidence interval