{9
Table 9
Group
No.
people
Av PBI*
Range
No.
people
Radiated
Control
36
24
9.93
10.4
6.0 —-13.6
7.2—16.4
Av BEI
No.
people
6.6
6.2
L2
Av TBC**t
0.26
Range
0.18—.32
*As ne’100 mi serum.
** As we thyroxine bound (maximal)/ml serum.
tNo difference was noted between radiated and control groups. therefore they were not separated for these values.
an organic iodinated material could account for
States medical practice are usually associated with
myeloproliferative diseases, liver disease, and frequent parenteral administration of large doses of
may or may not represent thyroid hormone.
Sodium and potassium determination in urine
tein is usually observed in myeloproliferative diseases, The origin of this protein 1s not known.
Perhaps in the Marshallese increased concentrations of B,,-binding protein may normally occur.
apparent. It must therefore be concluded, pending
further study, that the Marshallese showed clevated serum protein-bound iodine levels which
and food samples.
Preliminary data on the
sodium and potassium determinationsin the urine
and food samples of the Marshallese indicate that
there may be some correlation betweenthe suggestive evidence of hypotension in the people and
salt intake. However, further analyses will be
B,.. Increased concentration of B,.-binding pro-
Survey for intestinal Parasites.
1n Table 11 are
listed infections found in the two main groupsexamined. For most parasites the incidence in exposed and unexposed populations was close
ing was reported by Dr. D.W. Watkin. Table 10
enough to be considered the same. There were
more infections with small race Entamoeba histolytica
and with hookworm in the unexposed group, and
Marshallese sera along with data on American
subjects. The former wereall significantly higher
than thelatter.
hookworm 5.5%, and T. trichtura 34.3%.
made before a final conclusion is reached.
Serum vitamin B ,, concentrations.
;
evident. Increased B,. concentrations in United
these data, but no source of such contamination is
The follow-
shows the mean levels of vitamin B,. found in the
The reason for this increased vitamin B,, level
in the Marshallese serum is not apparent. The
possibility of contamination of the samples with
bacteria producing vitamin B,, must be considered, but no such contamination was grossly
Means, Ranges, Standard Deviations, and Standard Errors
of the Means of Serum Vitamin B,. Concentrations in USA
Normal Subjects, in Exposed Marshallese, in Unexposed
Marshallese, and in All Marshallese Examined
people
Mean,
ppyg/ml
Range,
3A normal
31
533
arshall, exposed
44
667
58
102
811
749
ts
=>
cm
C1
arshail, unexposed
arshall, total
“a
Group
pye/ml
SD,
SE of
mean,
upg/ml
260- 850
166
30
305-1250
260
327
308
both stool examinations and eosinophil counts
were available. Of these, 34 showed eosinophilia,
(Table 12). However, about half the cases with
pyg/ml
194-1705
194-1705
Of the 69 exposed individuals who hadstool
examinations, 40 had eosinophil counts of 5% or
more, and 29 hadlevels of < 5%. Among the unexposed individuals, there were 60 cases on whom
26 did not. The incidence of eosinophilia of >>5%
in the over-all population was 50%. The incidence
of 7richurts was determined in these groups, and
it was found that in both exposed and unexposed
populations more of the eosinophilia cases had
Trichuris infections than those with no eosinophilia
Tabie 10
No.
more infections with Trichomonas hominis in the exposed group. For the three major pathogens found,
the over-all infection rates were £. Aistolptica 18.2%,
39
43
30
eosinophilia showed no helminthinfectionsatall.
Since infection rates for both exposed and unexposed groups were similar, the following analyses are based on pooled results for both groups.
Table 13 presents the age distribution ofinfec-
tions found. E. histolytica was found in 4.6% of 43
children 5 years old or younger. In the 6 to 12 year
group, detected infections went up to 23.3%. The