|
Univariate analysis for association of clinical parameters with existence of circadian rhythmicities in PR in Period 1. |
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| Clinical variables |
Cycle 1440 (n = 20) |
≤ 720 (n = 80) |
p |
|
|
|||
| Gestational age (wks) |
32.7 ± 4.9 |
34.2 ± 4.6 |
NS |
| Birth weight (g) |
1930 ± 983 |
2077 ± 900 |
NS |
| Apgar Score < 6 (5 min) |
1 (5) |
10 (12.7) |
NS |
| Asphyxia |
4 (20) |
17 (21.3) |
NS |
| RDS |
4 (20) |
14 (17.3) |
NS |
| IUGR |
3 (15) |
6 (7.5) |
NS |
| Mean of variables |
|||
| Mean PR (/min) |
140.2 ± 8.6 |
135.5 ± 12.8 |
NS |
| Mean RR (/min) |
45.7 ± 8.5 |
43.0 ± 8.5 |
NS |
| Mean SpO2 (%) |
97.9 ± 1.1 |
97.9 ± 1.3 |
NS |
| Treatment of data sampling |
|||
| Oxygenation |
18 (90) |
46 (57.5) |
0.02 |
| Intubation |
10 (50) |
25 (31.3) |
NS |
| Aminophylline |
1 (5) |
4 (5) |
NS |
| Phenobarbital |
0 (0) |
1 (1.3) |
NS |
| Midazolam |
3 (15) |
6 (7.5) |
NS |
|
Data are expressed as mean ± SD or n (%). Mann-Whitney U test was performed for continuous variables and Fisher's exact test was performed for categorical variables. | |||
Begum et al. Journal of Circadian Rhythms 2006 4:11 doi:10.1186/1740-3391-4-11 |
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