dhis2-devs team mailing list archive

[Jason Pickering <jason.p.pickering@xxxxxxxxx>]

It seems to me that it is not annualized, as the denominator (from
your first mail) is a monthly figure if i read your mail correctly.

On Wed, Jul 22, 2009 at 1:43 PM, Ola Hodne Titlestad<olatitle@xxxxxxxxx> wrote:
> 2009/7/22 Ola Hodne Titlestad <olatitle@xxxxxxxxx>
>>
>> Hi,
>>
>> If the annual denominator value is 451.5 and the monthly numerator value
>> is 149 then the annualised monthly value of 401.5 % is correct.
>>
>>
>> Num x Factor = 149 x 12 (approx.) x 100 = 178 000
>>
>> Ind value is then 178 000 / 451.4 = 396 %
>>
>> The annualisation factor in DHIS is based on days and not months, that is
>> why it is not exactly 12, but very close to 12 at least.
>>
>> Your problem seems to be the dnominator data typed into DHIS.
>> Is the annual value really 451.5 or is that a montly estimate of the
>> annual value?
>>
>>
>> Ola Hodne Titlestad |Technical Officer|
>> Health Metrics Network (HMN) | World Health Organization
>> Avenue Appia 20 |1211 Geneva 27, Switzerland | Email:
>> titlestado@xxxxxxx|Tel: +41 788216897
>> Website: www.healthmetricsnetwork.org
>>
>> Better Information. Better Decisions. Better Health.
>>
>>
>> 2009/7/22 <johansa@xxxxxxxxxx>
>>>
>>> Developers,
>>>
>>> how is the Annualized function of indicators working? I get some very
>>> strange values in my pivot tables...
>>>
>>> I have the following indicator:
>>>
>>> ANC3 coverage, percent, annualized>
>>> Numerator: ANC3 visits, in a Monthly data set, aggregation operator: sum
>>> Denominator: Expected number of pregnancies, in a Yearly dataset,
>>> aggregation operator: average
>>>
>>> Bandajuma clinic reported 149 ANC3 visits in April, and have 220.4
>>> Expected pregnant women per month in 2009, as I read it from the pivot
>>> table, but have entered 451.5 for the year 2009. Is this right? In the
>>> pivot table I get 401.5 % ANC 3 coverage, calculated like this:
>
> What do you mean here? What is the correct value for the year of 2009?
> 451.5 or 12*220.4? Where does the monthly value of 220.4 in your pivot table
> come from?
>
>
>
>>>
>>> numxfactor is 181283.3333
>>> denominatorvalue is 451.5 (the same as expected number of pregnancies for
>>> the year)
>>> Indicator is annualized, level 4 (facilities)
>>>
>>> I think there must be something wrong here, as I get percentages up to
>>> 500
>>> for some months. Regardless of the catchment population not being
>>> correct,
>>> how come a numxfactor turns out to have three decimals? How is this
>>> indicator calculated? Maybe it has been defined wrong, or maybe there is
>>> something funky in the code. Any comments?
>>>
>>> Regards,
>>> Johan
>>>
>>>
>>>
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>
>
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