Frequency tables Frequency tables Rulesbased Minimum cell count
Frequency tables
Frequency tables Rules-based Minimum cell count All counts should be unweighted Principles-based Threshold is a ‘rule-of-thumb’ The units and data being presented should be considered Frequencies can be presented in many different ways including tables, histograms, pie charts, bar charts. The guidance for frequency tables will also apply for these.
Low Counts Marital and HIV status of 16 year old men in London – example data Table is understandable Low number of observations Marital Status Diagnosed with HIV? Yes No Single 2, 783 45, 144 Married 14 762 Divorced 10 396 Widowed 1 0
Low Counts Marital and HIV status of 16 year old men in London – example data Marital Status Diagnosed with HIV? Yes No Single 2, 783 45, 144 Married 14 762 Divorced or Widowed 11 396
Cell Suppression Statistics supplied courtesy of Public Health England Understandable column names Has suppression been successful? Practice name Socio-economic deprivation quintile New cancer cases Females aged 50 -70 screened for breast cancer within 6 months of invitation Two-week referrals with suspected lung cancer Dr A M Doyle’s Practice 5 REDACTED 830 12 Dr M J Wilson’s Practice 4 REDACTED 14 13 The Crescent Surgery 3 74 16 REDACTED Waterloo Medical Centre 5 57 10 12 253 870 38 NHS Blackpool CCG
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