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. 2023 Feb 27;11:996960. doi: 10.3389/fpubh.2023.996960

Table 4.

Hospitalization in the whole area, in 0–19 age class, males and females combined. 2008–2019 period.

Age class ICD-9CM code Hospitalization cause Obs SHR (90% CI)
0–19 years
460–466; 480–487 Acute respiratory diseases 11,206 77 (76–78)
493 Asthma 3,819 94 (92–97)
580–586 Nephritis, nephrotic syndrome, and nephrosis 711 104 (98–111)
0–1 year
760–779 Certain conditions originating in the perinatal period 10,189 101 (100–103)

ICD-9 CM, International Classification of Diseases 9th revision Clinical Modification; obs, observed cases; SHR, standardized hospitalization ratio; CI, confidence interval.