Table 3 Distribution of circadian cycles according to gestational age groups in each period.

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)