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Table 5 Sensitivity analysis: comparisons of incidence and prevalence trend stability across juvenile diabetes algorithmsa,b

From: Control charts for chronic disease surveillance: testing algorithm sensitivity to changes in data coding

Algorithm

All years (1975-2016)

ICDA-8 Period (1975-1979)

ICD-9 Period (1980-2004)

ICD-9/10 Period (2005-2016)

ICD-8 to − 9 Implementation Period (1977-1981)

ICD-9 to − 9/10 Implementation Period (2002-2006)

OOC Count

OOC Propc

McNemar’s Test

McNemar’s Test

McNemar’s Test

McNemar’s Test

McNemar’s Test

McNemar’s Test

p-value

adj. p-value

p-value

adj. p-value

p-value

adj. p-value

p-value

adj. p-value

p-value

adj. p-value

p-value

adj. p-value

Incidence

 1: 1 + H or 1 + P

11

0.26

1.00

1.00

0.50

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

 1: 1 + H or 2 + P

12

0.29

1.00

1.00

0.25

1.00

1.00

1.00

0.48

1.00

1.00

1.00

0.50

1.00

 1: 1 + H or 3 + P

14

0.33

0.81

1.00

0.25

1.00

0.77

1.00

0.25

1.00

0.50

1.00

0.25

1.00

 1: 1 + H or 4 + P

12

0.29

1.00

1.00

0.25

1.00

0.77

1.00

1.00

1.00

1.00

1.00

0.25

1.00

 2: 1 + H or 1 + P

12

0.29

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

 2: 1 + H or 2 + P

12

0.29

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

0.25

1.00

 3: 1 + H or 1 + P

11

0.26

1.00

1.00

1.00

1.00

1.00

1.00

NA

NA

1.00

1.00

1.00

1.00

 3: 1 + H or 2 + P

13

0.31

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

 1: 1 + P

11

0.26

1.00

1.00

0.50

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

 1: 2 + P

12

0.29

1.00

1.00

0.63

1.00

1.00

1.00

0.25

1.00

1.00

1.00

1.00

1.00

 2: 1 + P

10

0.24

0.48

1.00

1.00

1.00

1.00

1.00

NA

NA

1.00

1.00

1.00

1.00

 2: 2 + P

14

0.33

0.81

1.00

1.00

1.00

1.00

1.00

0.62

1.00

1.00

1.00

0.25

1.00

 2: 3 + P

8

0.19

0.45

1.00

1.00

1.00

0.34

1.00

1.00

1.00

1.00

1.00

0.50

1.00

 2: 4 + P

11

0.26

1.00

1.00

0.25

1.00

1.00

1.00

0.62

1.00

0.50

1.00

0.50

1.00

 2: 5 + P

12

0.29

1.00

1.00

0.25

1.00

1.00

1.00

0.62

1.00

1.00

1.00

0.25

1.00

Prevalence

 1: 1 + H or 1 + P

13

0.31

0.12

1.00

0.63

1.00

0.29

1.00

1.00

1.00

0.50

1.00

1.00

1.00

 1: 1 + H or 2 + P

7

0.17

0.01

0.10

0.63

1.00

0.10

0.96

0.13

1.00

1.00

1.00

1.00

1.00

 1: 1 + H or 3 + P

21

0.50

1.00

1.00

1.00

1.00

1.00

1.00

0.62

1.00

1.00

1.00

0.50

1.00

 1: 1 + H or 4 + P

22

0.52

0.82

1.00

0.50

1.00

1.00

1.00

0.13

1.00

0.50

1.00

0.25

1.00

 2: 1 + H or 1 + P

20

0.48

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

 2: 1 + H or 2 + P

5

0.12

< 0.00

0.01

0.50

1.00

0.01

0.11

0.22

1.00

0.50

1.00

1.00

1.00

 3: 1 + H or 1 + P

22

0.52

0.68

1.00

1.00

1.00

0.68

1.00

NA

NA

1.00

1.00

1.00

1.00

 3: 1 + H or 2 + P

9

0.21

0.01

0.10

1.00

1.00

0.02

0.33

0.45

1.00

0.25

1.00

1.00

1.00

 1: 1 + P

13

0.31

0.12

1.00

0.63

1.00

0.29

1.00

1.00

1.00

0.50

1.00

1.00

1.00

 1: 2 + P

5

0.12

< 0.00

0.05

0.63

1.00

0.06

0.80

0.07

1.00

1.00

1.00

1.00

1.00

 1: 3 + P

20

0.48

1.00

1.00

1.00

1.00

1.00

1.00

0.62

1.00

1.00

1.00

0.13

1.00

 1: 4 + P

20

0.48

1.00

1.00

0.25

1.00

1.00

1.00

0.13

1.00

1.00

1.00

0.25

1.00

 2: 1 + P

21

0.50

1.00

1.00

1.00

1.00

NA

NA

1.00

1.00

1.00

1.00

1.00

1.00

 2: 2 + P

3

0.07

< 0.00

0.01

0.25

1.00

< 0.00

0.04

0.45

1.00

1.00

1.00

1.00

1.00

 2: 3 + P

5

0.12

< 0.00

0.05

0.25

1.00

0.06

0.80

0.22

1.00

1.00

1.00

1.00

1.00

 2: 4 + P

5

0.12

< 0.00

0.05

0.25

1.00

0.06

0.80

0.22

1.00

1.00

1.00

1.00

1.00

 2: 5 + P

17

0.40

0.65

1.00

0.50

1.00

0.79

1.00

1.00

1.00

0.50

1.00

0.13

1.00

  1. p-values <.05 are in boldface font
  2. Control limits set at 2*SD
  3. OOC Out-of-control, Prop Proportion, Adj. p-value Adjusted p-value using the Holm-Bonferroni method
  4. aIf number of observations < 10, McNemar’s exact test was used. Otherwise McNemar’s approximate test was used
  5. bValue of NA indicates results were the same as the comparison group
  6. cOOC count over forty-two