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ellessenne / comorbidity

An R package for computing comorbidity scores.
https://ellessenne.github.io/comorbidity/
GNU General Public License v3.0
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Peripheral vascular disease - regex patterns #10

Closed francisco003 closed 5 years ago

francisco003 commented 5 years ago

Hello,

I was comparing this packaged with a package in STATA (http://fmwww.bc.edu/RePEc/bocode/c/charlson.html) and something was different.

In the "Internal Dataset #1: List of regex patterns", ICD-9-CM (comorbidity/data-raw/make-data.R), there is one code that i think is not correct, that is from the group Peripheral vascular disease, there is a code 47.1.

This code is also present in the paper Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data, Quan H (https://www.ncbi.nlm.nih.gov/pubmed/16224307). But if you check the code it don't seem to be the write one. 447.1 - http://icd9.chrisendres.com/index.php?srchtype=diseases&srchtext=447.1&Submit=Search&action=search 47.1 - http://icd9.chrisendres.com/index.php?srchtype=diseases&srchtext=47.1&Submit=Search&action=search I think is missing a 4. The correct one is not 447.1?

In this table (http://mchp-appserv.cpe.umanitoba.ca/concept/Charlson%20Comorbidities%20-%20Coding%20Algorithms%20for%20ICD-9-CM%20and%20ICD-10.pdf), is the code 447.1 instead of 47.1. And in the STATA package that i was comparing the results they also use the 447.1.

There is other thing that is missing: Also in the same file mention above in: lofregex[["charlson"]][["icd9"]][["copd"]] <- "^4168|^4169|^490|^491|^492|^493|^494|^495|^496|497|^498|^499|^500|^501|^502|^503|^504|^505|^5064|^5081|^5088"

Is missing a "^" before the code: 497

try this to examples: id | code 1 | 497 2 | V497

ellessenne commented 5 years ago

Hello! First of all, sorry for the delayed response. I had a look into it, and it looks like the paper by Quan et al. had a typo - the list of codes for the Elixhauser comorbidity score reports the correct code, 447.1. I will merge the pull request by @salmasian (thanks, by the way!) and I will push an update to CRAN ASAP. Also, thanks for spotting the small bug with the regex pattern!

Alessandro

francisco003 commented 5 years ago

Hello,

No problem =) Thanks for replying to my email. Keep the good work.

Francisco

De: Alessandro Gasparini notifications@github.com Enviado: 27 de junho de 2019 12:13 Para: ellessenne/comorbidity Cc: francisco003; Author Assunto: Re: [ellessenne/comorbidity] Peripheral vascular disease - regex patterns (#10)

Hello! First of all, sorry for the delayed response. I had a look into it, and it looks like the paper by Quan et al. had a typo - the list of codes for the Elixhauser comorbidity score reports the correct code, 447.1. I will merge the pull request by @salmasianhttps://github.com/salmasian (thanks, by the way!) and I will push an update to CRAN ASAP. Also, thanks for spotting the small bug with the regex pattern!

Alessandro

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