Table 2

Descriptive profiles for significant cycles of HR, PR, RR and SpO2.

Period

Period 1
Period 2
Period 3
Period 4

Sampling

(0–3)
(4–6)
(7–13)
(14–21)
n

116
114
125
106
Eligible sample*
HR
82 (70.7)
64 (56.1)
91 (72.8)
67 (63.2)

PR
101 (87.1)
88 (77.2)
106 (84.8)
84 (79.2)

RR
99 (85.3)
85 (74.6)
104 (83.2)
84 (79.2)

SpO2
103 (88.8)
89 (78.1)
106 (84.8)
85 (80.2)
Significant cycle**
HR
80 (98)
64 (100)
89 (98)
67 (100)

PR
100 (99)
87 (99)
104 (98.1)
83 (99)

RR
90 (91)
84 (99)
97 (93.3)
79 (94)

SpO2
94 (91.3)
86 (97)
103 (97)
78 (92)
Circadian cycle***
HR
19 (23.8)
11 (17.2)
20 (22.5)
13(19.4)

PR
20 (20)
16 (18.4)
20 (19.2)
16 (19.3)

RR
25 (27.8)
28 (33.3)
21 (21.6)
11 (13.9)

SpO2
15 (16)
10 (11.6)
17 (16.5)
15 (19.2)

Data are shown in n (%). Parentheses are percentages of * eligible samples in all samples, ** significant cycles in all eligible samples, and *** circadian cycles in significant cycles.

Begum et al. Journal of Circadian Rhythms 2006 4:11   doi:10.1186/1740-3391-4-11