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Table 4 Summary of unweighted and weighted prevalence among NYC INSIGHT Common Data Model patients in 2018

From: The use of electronic health records to inform cancer surveillance efforts: a scoping review and test of indicators for public health surveillance of cancer prevention and control

Indicator

Crude prevalencea

(95% confidence interval)

Weighted prevalenceb

(95% confidence interval)

Internal validationc

External validationd

(Prevalence ratio)

(Prevalence ratio)

Risk factors (%)

    

 Adult obesity

33.4 (33.3–33.5)

31.3 (31.2–31.5)

1.11*

1.02

 Childhood obesity

24.4 (24.1–24.6)

22.3 (22.0–22.6)

1.18*

1.19

 Smoking

10.9 (10.8–10.9)

11.7 (11.6–11.8)

1.67*

0.87

Screening and immunization (%)

    

 Breast cancer screening

24.2 (24.1–24.4)

24.1 (24.0–24.2)

0.54

0.32

 Cervical cancer screening

10.6 (10.6–10.7)

10.7 (10.6–10.7)

0.23

0.13

 Colorectal cancer screening

16.6 (16.5–16.7)

16.7 (16.6–16.8)

0.42

0.24

 Hepatitis C testing

5.0 (4.9–5.1)

4.8 (4.8–4.9)

0.17

0.12

 HBV vaccination initiation

35.9 (35.0–36.9)

35.3 (34.4–36.2)

0.40

0.46

 HBV vaccination completion

8.4 (8.0–8.8)

7.9 (7.6–8.3)

0.14

–

 HPV vaccination initiation

21.4 (21.1–21.7)

21.1 (20.8–21.3)

0.53

–

 HPV vaccination completion

10.7 (10.5–11.0)

10.6 (10.3–10.8)

0.90

0.18

Quality of care (%)

    

 Breast: any diagnostic test

86.8 (86.3–87.2)

85.9 (85.4–86.4)

1.31

–

 Breast: timely diagnostic test

86.1 (85.6–86.5)

85.1 (84.6–85.7)

1.34

–

 Breast: timely diagnosis

79.2 (76.6–81.8)

77.8 (74.7–80.8)

1.08

–

 Cervical: any diagnostic test

48.3 (47.5–49.1)

46.1 (45.2–47.1)

0.77

–

 Cervical: timely diagnostic test

40.3 (39.5–41.1)

38.6 (37.7–39.6)

0.67

–

 Cervical: timely diagnosis

63.6 (48.8–78.4)

57.1 (34.7–79.6)

1.14

–

 Colorectal: any diagnostic test

82.6 (81.4–83.8)

82.2 (80.8–83.5)

1.35

–

 Colorectal: timely diagnostic test

21.6 (17.6–25.5)

21.2 (16.8–25.6)

1.38

–

 Colorectal: timely diagnosis

72.9 (63.9–82.0)

68.5 (55.6–81.4)

0.91

–

Incidence and prevalence (per 1000)

    

 Breast cancer incidence

4.7 (4.6–4.9)

4.1 (4.0–4.2)

0.66

3.42

 Breast cancer prevalence

33.1 (32.8–33.5)

27.4 (27.2–27.6)

0.91

1.52

 Cervical cancer incidence

0.3 (0.3–0.4)

0.3 (0.3–0.3)

1.92

1.40

 Cervical cancer prevalence

1.8 (1.7–1.9)

1.6 (1.5–1.6)

1.11

1.78

 Colorectal cancer incidence

1.0 (0.9–1.0)

0.8 (0.8–0.8)

0.83

1.98

 Colorectal cancer prevalence

5.2 (5.1–5.3)

4.1 (4.0–4.2)

1.13

1.14

  1. aUnweighted prevalence within the INSIGHT patient population
  2. bWeighted to total NYC population using IPUMS USA 2018 data
  3. cPrevalence ratio comparing the crude INSIGHT estimate to the estimate calculated within the NYU patient population using the full NYU EHR
  4. dPrevalence ratio comparing the weighted INSIGHT estimate to the reported estimates from external data sources as follows: NYC Health and Nutrition Examination Survey (adult obesity), NYC FITNESSGRAM (childhood obesity), NYC Community Health Survey (breast, cervical, and colorectal cancer screening), NYC Citywide Immunization Registry (HBV initiation and HPV completion), and NYS Cancer Registry (breast, cervical, and colorectal incidence and prevalence)
  5. *Internal validation found to be statistically equivalent through the two one-sided t-tests of equivalence using a 5-point equivalence margin
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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