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Mortality
Rates Due to Diabetes in a selected Urban South Indian
Population - The Chennai Urban Population Study [CUPS
- 16] |
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JAPI Vol.
54, February 2006, Page 113-117 |
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Anomalous
conclusion - The results of this study published
in the Journal of Association of Physician of India
(JAPI) in February 2006 shows that during the 6 year
follow-up period overall mortality rate was higher in
Diabetic compared to Non-diabetic subjects. |
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"It
concludes that in Urban India Mortality rates are 2
told higher in people with diabetic compared to non-diabetic
subjects. Cardiovascular and Renal diseases are the
commonest causes of death among diabetes subjects."
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A detailed
reading of this paper shows that in this community for
the number of patients followed up (1140) the prevalence
of Hypertension was 23.1% and prevalence of Diabetes
was 12.5%. Prevalence of Hypertension was more than
Diabetes! |
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| Parameters |
Non-diabetic subjects(997)
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Diabetic subjects (143)
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Survivors
(n=964) |
Non-survivors
(n=33) |
Survivors
(n=126) |
Non-survivors
(n=17) |
| Age
(Yrs.) |
41+14 |
54+16*** |
54+11 |
66+12*** |
| Male
n (%) |
420(43.6%) |
16(48.5%) |
64(50.8%) |
7(41.2%) |
| Systolic
blood pressure (mm Hg) |
119+
22 |
123+
20 |
131+
14 |
139+
17* |
| Diastolic
blood pressure (mm Hg) |
77+14 |
79 +
12 |
84 +
10 |
87+
11 |
| Body
mass index (kg/m2) |
22.3
+4.4 |
21.0
+5.1 |
25.3
+ 4.0 |
23.1
+ 4.7* |
| Waist
circumference (cm) |
76 +
13 |
65 +
19** |
87 +
11 |
81 +
11* |
| Fasting
plasma glucose (mg/dl) |
76 +
17 |
77 +
15 |
153
+ 79 |
169
+ 131 |
| Serum
Cholesterol (mg/dl) |
167
+ 44 |
165
+ 40 |
199
+ 53 |
186
+ 66 |
| Serum
Triglycerides (mg/dl) |
111
+ 70 |
95 +
32* |
172
+ 98 |
123
+ 55* |
| Hypertension
n (%) |
185(19.2%) |
9(27.3%) |
57(45.2%) |
12(70.6%)* |
| Coronary
artery disease n (%) |
86(9.5%) |
5(16.7%) |
21(17.5%) |
7(43.8%) |
| Smoking
n (%) |
133(13.8%) |
10(30.3%)** |
9(7.1%) |
1(5.9%) |
| Alcohol
n (%) |
237(24.6%) |
13(39.4%) |
29(23.0%) |
3(17.6%) |
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* P <
0.05, ** P < 0.01, *** P< 0.001 compared to survivors
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From the above
table it is clear that Diabetic Subjects appear to have
one decade more longevity than the non-diabetic subjects.
Also it is interesting and unexplained in the paper,
that death due to Gasto Intestinal, Respiratory, Cancer,
Unnatural causes, Life Style Causes, all these were
not present in diabetics but seen only in non-diabetic
subjects. All these factors lead to the inevitable conclusion
that instead of being an increased risk for mortality,
diabetes has bestowed atleast 10 years of longevity
to the people in this community, because those diabetics
who had died, are above the age of average life-expectancy
in India (64.6 yrs.) as shown by the causes 2000 by
the registrar General of India - (Source: National Medical
Journal of India Vol.15, No.4, 2002, Page 213.) |
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The conclusions
appear skewed? |
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Read on the paper
and judge for yourself. |
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