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Title: CH Questions Post by Lissa on Jan 9th, 2004, 12:23pm Does anyone know how many people in the world get cluster headaches? Has this number gone up in the past years? |
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Title: Re: CH Questions Post by floridian on Jan 9th, 2004, 1:10pm The estimates are all over the board - 1 per thousand (0.1%) to 2.5 per thousand in the US. In Norway, one study estimated 326 to 381 per 100 000 (3.2 - 3.8 per thousand). China: 0.06 per thousand. San Marino 0.7 per thousand. If the number has been going up, the first thing to look at is better diagnosis, or a change in criteria used to define clusters. Latitude has a big role in circadian disorders - farther from the equator = more circadian problems, in general. Light and electromagnetic radiation can also mess up circadian cycles. I would bet there is less CH in rural areas without electricity. |
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Title: Re: CH Questions Post by Lissa on Jan 9th, 2004, 2:01pm Thanks for being so informative. :) |
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Title: Re: CH Questions Post by totka on Jan 9th, 2004, 3:37pm 2,938,475 exactly. Or not. :-/ (btw. a Hungarian neuro estimated it 0.005 % in Hungary [smiley=huh.gif]) |
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Title: Re: CH Questions Post by thomas on Jan 22nd, 2004, 5:24pm I think you will see the number increase, due to correct diagnosis........... |
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Title: Re: CH Questions Post by Charlie on Jan 22nd, 2004, 6:24pm Code:
You got that right and it will be partly our "fault" too. Coolness. Charlie |
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Title: Re: CH Questions Post by Prense on Jan 22nd, 2004, 7:18pm Hopefully, we don't see the numbers increase due to misdiagnosis of CH... Chris |
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Title: Re: CH Questions Post by eyes_afire on Jan 22nd, 2004, 7:41pm Right on, Chris. Very important point. I've seen info stating 0.069%. I'd say that's probably quite accurate... but that's just me. --- Steve |
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Title: Re: CH Questions Post by BobG on Jan 22nd, 2004, 8:17pm on 01/22/04 at 17:24:37, thomas wrote:
I agree. And due to information tech becoming more and more sophisticated, i.e. the internet, satellite communications, etc., the word about Clusters will spread much faster. Look what it has done here in just the last 5 years. |
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Title: Re: CH Questions Post by Not4Hire on Jan 22nd, 2004, 9:03pm on 01/09/04 at 15:37:54, totka wrote:
but does this factor in *continental drift*? ...and the fact that people who have computers know about this MOFO--and THIS site?.... but those who DON'T have computers: about 90+% of the population of the planet.... may be suffering ....silently? just a random thought.... |
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Title: Re: CH Questions Post by Mark C on Jan 22nd, 2004, 9:29pm Not many.....how many of us have met another Clusterhead, BEFORE this board came to be (Thanks again DJ :-*)....I have not......yet! ;;D Come on July! I will see all of you in Nashvile! YEEEE HAWWW! Mark-in-the-hills! |
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Title: Re: CH Questions Post by Kevin_M on Jan 23rd, 2004, 6:41am True Mark C, I have not, neither had my doctor or the neuro I once went to. |
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Title: Re: CH Questions Post by benj on Jan 23rd, 2004, 7:31am At the university I went to (approx 25,000 students) there was (according to the Uni Doc) only one other CH sufferer. If this is to translated across australia then 0.0125% (I think - I didn't do a maths degree! :-/) this figure seems slim, but possible. I'm interested - what do you want to know for? just FYI, or something to present to neuros with? |
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Title: Re: CH Questions Post by t_h_b on Jan 23rd, 2004, 7:40am How did the University MD know how many CH sufferers there were? For such a rare occurence that sample size is probably not adequate, even if you knew with certainty the rate of CH in that population. I'll leave it to the statistic majors to do the calculations, but an MD should know better than to extrapolate that way. He could say, "The known rate of cluster headache in the student population at this university is xx.xx%" but anything else would be inaccurate. |
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