Indan Journal of Medical Research Indan Journal of Medical Research Indan Journal of Medical Research Indan Journal of Medical Research
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CORRESPONDENCE
Year : 2012  |  Volume : 136  |  Issue : 2  |  Page : 311

Authors' response


1 Department of Endocrinology & Metabolism, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India
2 Department of Biostatistics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India

Date of Web Publication7-Sep-2012

Correspondence Address:
Viveka P Jyostna
Department of Endocrinology & Metabolism, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029
India
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Source of Support: None, Conflict of Interest: None


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How to cite this article:
Jyostna VP, Sahoo A, Ksh SA, Sreenivas V, Gupta N. Authors' response. Indian J Med Res 2012;136:311

How to cite this URL:
Jyostna VP, Sahoo A, Ksh SA, Sreenivas V, Gupta N. Authors' response. Indian J Med Res [serial online] 2012 [cited 2019 Oct 14];136:311. Available from: http://www.ijmr.org.in/text.asp?2012/136/2/311/100803

Sir,

The answers to the queries are as follows:

  1. The most surprising element is the lower vitamin D levels in controls as compared to patients. The only explanation which we could think of is that in our population where we do not take vitamin D fortified food and where sun exposure is the main source of vitamin D, the patients could be having higher levels as they were coming for treatment in the sun while the controls who were mainly hospital staff were vitamin D deficient as they had poorer sun exposure. As can be seen in [Table 1] the duration of sun exposure in the patient group was significantly higher than in controls.
  2. The mean age in the two groups was similar and not significantly different as pointed out.
  3. The signs * and ** have been explained clearly in the footnote of [Table 1].





 

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