Talk:Blood type distribution by country/Archive 1

Aboriginal people are not one ethnic group
Just because two people are both aboriginal does not mean they are in the same ethnic group or are related. Australian aboriginal people are different than American aboriginal people or any other place in the world. Please make it clear what is meant. — Preceding unsigned comment added by 1.64.92.125 (talk) 07:43, 11 August 2020 (UTC)

Rh blood group system (from Talk:Blood type)
In the table showing distribution of ABO blood types and Rh factors, in some cases adding the corresponding Rh+ and Rh- percentages for each ABO blood type rounds to a whole percent. This indicates the Rh+ and Rh- distributions were calculated rather than measured in the original sample. —Preceding unsigned comment added by Gtaniwaki (talk • contribs) 22:20, 5 April 2010 (UTC)

ABO and Rh distribution by country (from Talk:Blood type)
- looks like error in calculations. Calculating the total population (excluding Ukraine because of incomplete statistics) I reached 2,364,017,000 people. The article stated "(total population = 2,261,025,244)". If this was taken as 100%, this error must propagates into the all "Population-weighted mean" percentage.
 * Weighted mean

Possible reason - more countries were added in the table but formulas have not been updated. — Preceding unsigned comment added by 101.118.175.9 (talk) 12:46, 24 April 2012 (UTC)


 * I have been worried about this table for some time. The sourcing is not always to high-quality sources. I think we should be looking for a better source to support the entire table, or consider dumping the whole thing. JFW &#124; T@lk  08:15, 29 April 2012 (UTC)


 * The table data is mostly inaccurate and outdated, and the sources aren't completely accurate. I think it should just be removed. - M0rphzone (talk) 23:17, 7 June 2012 (UTC)


 * Where is India? Should have explanation.

ABO and Rh distribution by country (from Talk:ABO blood group system)
The aspect of country selection is unclear. Not all EU countries are listed. Risk of manipulated source data. — Preceding unsigned comment added by 217.140.96.140 (talk) 10:29, 24 May 2016 (UTC)
 * Selection

- It looks like the calculations are not correct. I calculated 3,684,282,866 people as total "quoted" population in the table. This should be the 100% base for all the "Average mean" calculations. The article stated "(total population = 2,261,025,244)". If this was taken as 100%, this error must propagates into the all "Population-weighted mean" results.
 * Weighted mean

Possible reason - more countries were added in the table but formulas have not been updated. Or it was copied from another site. like http://en.wikipedia.org/wiki/Blood_type#cite_note-27, where the same number at the bottom of the similar table was also incorrect.

Regards Peter P. AB+  — Preceding unsigned comment added by 101.118.175.9 (talk) 13:17, 24 April 2012 (UTC)

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No mention of the rare Blood Types?
Why is there no data on the rare blood types?

Because they are rare. — Preceding unsigned comment added by 2605:6000:7B04:F900:C8A1:386D:1C96:2348 (talk) 02:24, 15 April 2019 (UTC) Xxxxx365 (talk) 07:26, 22 March 2017 (UTC)

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Inconsistencies in tables
I wrote a program to calculate the error between the given ABO distribution for each country and the closest distribution that is "stable". If the error is large, it means that either the sample chosen from which the data was extracted is too small, or the data is completely made-up. If the error is small, it means that there is a way with the numbers given to find to genotype ratios, namely AO/A and BO/B such that a generation following the generation with these ABO numbers would have ABO values closest to the parent generation. Since the ABO distribution of one generation will not exactly match the previous or next generation, it is expected to have a small difference in values, which I call the 'error'. For most entries in the first table the error is between 0% and 0.68%. but there is one exception. Mongolia has an error of 1.16%, which should be an indication that there is something wrong with the data. Also, the ratio of AO genotype over A blood group should be in the range of 78% to 92% (or 85% +/- 7), and the ratio of BO genotype over B blood group should be in the range of 82% to 98% (or 90% +/- 8). There are a few outliers here. Pakistan and India have the lowest level of B0/B with 79.3% and 78.9% respectively. Chile has the highest level with 98.9%. The data for Peru is also suspicious with 97.2%. Chile and Peru have the highest level of AO/A with 97.5% and 94.1% respectively which makes their data suspicious. In the second table has bigger problems. A number of ethnic group are listed with 0% for the AB group while having values greater than zero for the A and B groups, namely (Malays, Māori, Moros and Sudanese). That is not possible in a stable population. With the remaining numbers given: But the most inconsistent data in the list is with the Grand Andamanese people, with 9.65% error and a very low AO/A ratio, which means that if we force the AO/A ratio within normal range. the resulting error would be higher. However, considering that this ethnic group only has 52 people, this data might actually be correct. Next comes the Mayans with 1.9% error, Chuvash people with 1.5% error, the Arabs with 1.34% error, the Papuans with 1.28% error, the Malays with 1.13% error.
 * Malays would have to include at least 2.25% of type AB blood
 * Maoris would have to include at least 0.377% of type AB blood
 * Moros would have to include at least 1.97% of type AB blood
 * Sudanese would have to include at least 2.13% of type AB blood

I believe that the "error" should probably not exceed 0.5%.

This is just a test to determine if the data given can make sense or not. It doesn't mean that the data for the countries or ethnic group I haven't listed is necessarily correct. To do a more in depth test, we would need the actual AO/A and BO/B ratios, which are probably not available. Dhrm77 (talk) 02:06, 22 April 2020 (UTC)

Bangladesh Data
It sums to a total of 108,62%. All the other countries are sums correctly. Something there is wrong.

Moros
The link to Moros is wrong. --Error (talk) 18:31, 10 June 2020 (UTC)
 * Did you consider fixing it? Doanri (talk) 16:54, 17 June 2020 (UTC)

Mongolia

 * The numbers for Mongolia don't add up. It looks like O+ should be higher, as it's colored pink?

page is incomplete
This page has excluded the Country of Haiti where there are many and I say many O - and A- negative Blood type including myself. I am RH A - negative and from both Haitian parents! O- negative request for blood is on a regular basis on my phone alert.

I think you should do your research and stop excluding the real important Countries like Haiti.

Thank You MG — Preceding unsigned comment added by 190.115.175.138 (talk) 16:34, 6 April 2021 (UTC)
 * Do you have a link from a recognized medical publication that gives the different blood types in Haiti? It could be that none exist, which would explain why the information is not here. Dennis Brown - 2&cent; 01:15, 19 April 2021 (UTC)