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Table 1 Acute flaccid paralysis cases and incidence rates, Italy 2007–2016

From: Hospital discharges-based search of acute flaccid paralysis cases 2007–2016 in Italy and comparison with the National Surveillance System for monitoring the risk of polio reintroduction

ICD-9-CM diagnosis codes045.0045.1357.0359.9323.9
YearAFPIRN%N%N%N%N%
20074575.500.000.011725.517137.316936.9
20084635.500.000.09520.521746.915232.8
20094735.600.000.010121.319641.417637.1
20104345.100.000.011025.219544.713029.8
20114435.200.000.011325.519042.914031.6
20124124.900.000.08821.417141.515537.6
20133784.500.000.08422.217446.012031.7
20143904.600.010.39323.816642.613033.3
20153394.000.000.06218.316247.811634.2
20163744.500.000.09324.916143.012032.1
2007–201641635.000.010.095623.0180343.3140833.8
  1. Data were extracted from Hospital Discharge Records [5]
  2. Italian population data were obtained from ISTAT database (www.demo.istat.it)
  3. Five cases presented more than one diagnosis
  4. ICD-9-CM diagnosis codes: 045.0 “Acute paralytic poliomyelitis specified as bulbar“;
  5. 045.1 “Acute poliomyelitis with other paralysis“; 357.0 “Acute infective polyneuritis”;
  6. 359.9 “Myopathy, unspecified”; 323.9 “Unspecified causes of encephalitis, myelitis, and encephalomyelitis”
  7. 357.0 code approximates Guillain-Barré Syndrome; 359.9 code approximates Flaccid paralysis; 323.9 code approximates Acute transverse myelitis
  8. AFP acute flaccid paralysis, IR incidence rate × 100,000