Dear All,
I beg Your pardon in advance for my probably trivial thread.
I would like to compare with Stata 9/2SE two samples (SDO 2003 vs. SDO 2004)
of discharge diagnoses Diagnosis Related Groups (DRG)codes and check for the
significance of the reduction occurred in inpatient hospitalizations (RO)
during 2003 ( 835,158) - 2004 (775,287).
As these data seem counts, I supposed they have something to deal with
Poisson distribution, but I would kindly ask You all for some hints on this
issue.
DRG codes RO - SDO 2003 RO - SDO
2004
6 16,084 13,763
39 116,574 95,355
40 15,258 14,870
119 53,483 51,385
134 54,674 50,981
162 87,517 80,981
183 134,501 124,971
222 98,794 94,024
270 20,993 20,719
284 27,327 24,836
294 39,715 37,320
301 24,453 22,264
364 38,591 33,639
395 43,887 42,530
467 63,307 67,649
Total 835,158 775,287
Any suggestion will be highly appreciated.
Thanks a lot for Your Kindness and for Your time.
Kind Regards,
Carlo
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* http://www.ats.ucla.edu/stat/stata/
