Healthc Inform Res.  2013 Dec;19(4):278-285. 10.4258/hir.2013.19.4.278.

Clinical Significance of National Patients Sample Analysis: Factors Affecting Mortality and Length of Stay of Organophosphate and Carbamate Poisoned Patients

Affiliations
  • 1Department of Emergency Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
  • 2Department of Emergency Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea. inho.kwon@gmail.com
  • 3Department of Emergency Medicine, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea.
  • 4Department of Emergency Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea.

Abstract


OBJECTIVES
This study considered whether there could be a change of mortality and length of stay as a result of inter-hospital transfer, clinical department, and size of hospital for patients with organophosphates and carbamates poisoning via National Patients Sample data of the year 2009, which was obtained from Health Insurance Review and Assessment Services (HIRA). The utility and representativeness of the HIRA data as the source of prognosis analysis in poisoned patients were also evaluated.
METHODS
Organophosphate and carbamate poisoned patients' mortality and length of stay were analyzed in relation to the initial and final treating hospitals and departments, as well as the presence of inter-hospital transfers.
RESULTS
Among a total of 146 cases, there were 17 mortality cases, and the mean age was 56.8 +/- 19.2 years. The median length of stay was 6 days. There was no inter-hospital or inter-departmental difference in length of stay. However, it significantly increased when inter-hospital transfer occurred (transferred 11 days vs. non-transferred 6 days; p = 0.037). Overall mortality rate was 11.6%. The mortality rate significantly increased when inter-hospital transfer occurred (transferred 23.5% vs. non-transferred 7.0%; p = 0.047), but there was no statistical difference in mortality on inter-hospital and inter-department comparison at the initial treating facility. However, at the final treating facility, there was a significant difference between tertiary and general hospitals (5.1% for tertiary hospitals and 17.3% for general hospitals; p = 0.024), although there was no significant inter-departmental difference.
CONCLUSIONS
We demonstrated that hospital, clinical department, length of stay, and mortality could be analyzed using insurance claim data of a specific disease group. Our results also indicated that length of stay and mortality according to inter-hospital transfer could be analyzed, which was previously unknown.

Keyword

Pesticides; Insecticides; Poisoning; Mortality; Hospital Admitting Department

MeSH Terms

Admitting Department, Hospital
Carbamates
Hospitals, General
Humans
Insecticides
Insurance
Insurance, Health
Length of Stay*
Mortality*
Organophosphates
Pesticides
Poisoning
Prognosis
Tertiary Care Centers
Carbamates
Insecticides
Organophosphates
Pesticides

Figure

  • Figure 1 Case extraction diagram.


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