Research Article

Semiquantitative Assessment of Bowel Habits and Its Relation with Calcium Metabolism after Gastric Bypass Surgery: A Retrospective Study

Table 4

Laboratory results according to fecal scores calculated for each tertile.

Fecal scoreLowIntermediateHigh -value

Patient numbers
(Point range per tertile fecal score)
33
(2–4)
44
(5-6)
26
(7–10)

Calcium (mmol/L)
(Patient numbers with hypocalcemia)
2.35 ± 0.09
(0)
2.32 ± 0.09
(0)
2.34 ± 0.11
(1)
.43

Vitamin D
(<30 nmol/L/<50 nmol/L)
41 ± 21.0
(11/22)
51 ± 29.8
(11/25)
39.5 ± 20.4
(10/16)
.12

PTH
(≥6.8 pmol/L)
4.9 ± 2.3
(4)
5.8 ± 3.2
(13)
8.0 ± 3.4
(19)
<.001

Patients with an alimentary limb of 150 cm
(% of total)
3
(9)
10
(23)
7
(26)
.17*

* value by γ 2-test, all other comparisons were performed by one-way ANOVA.