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  • Title: Paediatric appendicectomy in NSW: changes in practice over time and between groups.
    Author: Close GR, Rushworth RL, Rob MI.
    Journal: J Qual Clin Pract; 1995 Mar; 15(1):29-36. PubMed ID: 7757322.
    Abstract:
    The present study examined patterns of appendicectomy among 0- to 14-year-old children in New South Wales between 1986 and 1989/90. The study, which used routinely collected hospital separation data, showed that the overall rate of appendicectomy in this age group in 1989/90 was 2.5 per 1000 which was a significant (P < 0.01) reduction on the 1986 rate. The rate of appendicectomy with histologically confirmed appendicitis was 1.8 per 1000 in 1989/90 which was significantly (P < 0.01) lower than the corresponding rate for 1986. The proportions of appendicectomies with perforation (10% in 1989/90) and without acute appendicitis ('negative' appendicectomy; 28% in 1989/90) were comparable to previous Australian and overseas reports and changed little during the study period. Differences in the rates of appendicectomy and of perforated appendices were found between geographic areas. However, the area-specific rates of perforation were not systematically associated with the corresponding rates of negative appendicectomy. The proportion of negative appendicectomies was higher among female than male children (35% of females compared with 25% of males in 1989/90). The youngest age group (0-4 years) had the highest proportion of perforations: 27% compared with 13% in the 5-9 year and 8% in the 10-14 year age groups. We conclude that appendicectomy is now performed less frequently in NSW than in previous years. Surgical practice in relation to appendicectomy in NSW provides outcomes that compare favourably with previous Australian and overseas experience. Although the proportion of perforations is relatively low, the comparatively high proportion of perforations in the youngest age group is of concern.(ABSTRACT TRUNCATED AT 250 WORDS)
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