dhis2-devs team mailing list archive

[Ola Hodne Titlestad <olatitle@xxxxxxxxx>]

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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>
>