Table 2 Summary validity measures of information on receipt of screening in survey self-report and IHIE (Weighted)
From: Comparison of health information exchange data with self-report in measuring cancer screening
|  | Survey responses (SR) (1) | EMR = No (2) | EMR = Yes (3) | Sensitivity (95% CI) \(\frac{True\;positive}{True\;positive+False\;negative}\)  (4) | Specificity (95% CI) \(\frac{True\;negative}{False\;positive+True\;negative}\)  (5) | Concordance- Gwet’s AC (95% CI) Benchmark scale for reliability (6) |
|---|---|---|---|---|---|---|
Screening Tests | ||||||
 Colonoscopy | SR = No SR = Yes | 45/505(8.91) 115/505(22.77) | 39/505(7.72) 305/505(60.39) | \(\frac{305}{305+39}=0.88\) (0.85,0.92) | \(\frac{45}{115+45}=0.28\) (0.21,0.35) | 0.52a (0.44,0.59) Moderate |
 FIT test | SR = No SR = Yes | 371/504(73.61) 19/504(3.77) | 98/504(19.44) 15/504(2.98) | \(\frac{15}{15+98}=0.13\) (0.07,0.21) | \(\frac{371}{19+371}=0.95\) (0.93,0.97) | 0.69a (0.63,0.75) Substantial |
 HPV test | SR = No SR = Yes | 64/161(39.75) 20/161(12.42) | 43/161(26.71) 33/161(20.49) | \(\frac{33}{33+43}=0.43\) (0.32,0.55) | \(\frac{64}{20+64}=0.76\) (0.66,0.85) | 0.24a (0.08,0.40) Fair |
 PAP test | SR = No SR = Yes | 22/185(11.89) 35/185(18.92) | 24/185(12.97) 103/185(55.67) | \(\frac{103}{103+34}=0.81\) (0.73,0.88) | \(\frac{22}{35+22}=0.39\) (0.26,0.52) | 0.46a (0.33,0.60) Moderate |
 Mammogram | SR = No SR = Yes | 14/255(5.49) 26/255(10.19) | 24/255(9.41) 190/255(74.51) | \(\frac{190}{190+24}=0.89\) (0.84,0.93) | \(\frac{14}{26+14}=0.35\) (0.21,0.52) | 0.73a (0.65,0.81) Substantial |