|
Distribution of circadian cycles according to gestational age groups in each period. |
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| Gestational age |
Period 1 |
Period 2 |
Period 3 |
Period 4 |
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|
|
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| Groups |
n |
(0–3 d) |
n |
(4–6 d) |
n |
(7–13 d) |
n |
(14–21 d) |
|
| PR |
<28 wks |
10 |
4 (40) |
12 |
3 (25) |
12 |
5 (41.7) |
13 |
4 (30.8) |
| 28–32 wks |
26 |
6 (23.1) |
22 |
6 (27.3) |
42 |
11 (26.2) |
39 |
9 (23.1) |
|
| 33–36 wks |
29 |
5 (17.2) |
26 |
5 (19.2) |
31 |
2 (6.5) |
23 |
3 (13.0) |
|
| ≥37 wks |
35 |
5 (14.3) |
27 |
2 (7.4) |
19 |
2 (10.5) |
8 |
0 (0) |
|
| RR |
< 28 wks |
7 |
1 (14.3) |
11 |
1(9.1) |
13 |
5 (38.5) |
13 |
0 (0) |
| 28–32 wks |
24 |
8 (33.3) |
20 |
9 (45) |
38 |
9 (23.7) |
36 |
8 (22.2) |
|
| 33–36 wks |
25 |
8 (32) |
27 |
9 (33.3) |
28 |
3 (10.7) |
22 |
2 (9.1) |
|
| ≥37 wks |
34 |
8 (23.5) |
26 |
9 (34.6) |
18 |
4 (22.2) |
8 |
1(12.5) |
|
| SpO2 |
< 28 wks |
10 |
0 (0) |
12 |
3 (25) |
12 |
3 (25) |
13 |
2 (15.4) |
| 28–32 wks |
25 |
5 (20) |
20 |
3 (15) |
40 |
7 (17.5) |
37 |
9 (24.3) |
|
| 33–36 wks |
26 |
5 (19.2) |
25 |
5 (20) |
32 |
4 (12.5) |
20 |
3 (15) |
|
| ≥37 wks |
33 |
5 (15.2) |
29 |
4 (13.8) |
19 |
3 (15.8) |
8 |
1 (12.5) |
|
|
Data are shown in n (%). | |||||||||
Begum et al. Journal of Circadian Rhythms 2006 4:11 doi:10.1186/1740-3391-4-11 |
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