Table 1

Mesor (M), fiducial limits (F.L.) at 95%, Amplitude (A) and Acrophase (Φ), expressed in hours, with confidence interval (C.I.) at 95%, of serum and salivary urea during the two days of study

Serum urea

MESOR

F.L. 95%

A

Φ

C. I. 95%

Day 1

5.12

(4.56–5.67)

1.56

12:24

(08:16–16:32)

Day 2

5.21

(4.66–5.76)

1.48

11:56

(07:36–16:16)

Salivary urea

Day 1

2.84

(2.59–3.09)

1.16

12:00

(09:44–14:16)

Day 2

2.75

(2.49–3.01)

0.72

12:12

(08:04–16:20)

Piccione et al. Journal of Circadian Rhythms 2006 4:16   doi:10.1186/1740-3391-4-16