Table 3.
Agreement between patients captured using the posttraumatic stress disorder case definitions and the Manitoba Primary Care Research Network (MaPCReN) reference sets.
| Case definitions | aTP (n) | bTN (n) | cFN (n) | dFP (n) | eSE (%, CI) | fSP (%, CI) | gPPV (%, CI) | hNPV (%, CI) | Accuracy (%, CI) | ||
| MaPCReN reference set 1 (with encounter notes; N=330) | |||||||||||
|
|
Case definition 1 | 95 | 214 | Suppressed | <5 | 82.6 (74.4-89.0) | 99.5 (97.4-100) | 99.0 (93.1-99.9) | 91.5 (87.8-94.1) | 93.6 (90.4-96.0) | |
|
|
Case definition 2 | 66 | 214 | Suppressed | <5 | 57.4 (47.8-66.6) | 99.5 (97.4-100) | 98.5 (90.3-99.8) | 81.4 (77.9-84.4) | 84.9 (80.5-88.5) | |
|
|
Case definition 3 | 91 | 214 | Suppressed | <5 | 79.1 (70.6-86.2) | 99.5 (97.4-100) | 98.9 (92.8-99.9) | 89.9 (86.2-92.7) | 92.4 (89.0-95.0) | |
|
|
Case definition 4 | 95 | 214 | Suppressed | <5 | 82.6 (74.4-89.0) | 99.5 (97.4-100) | 99.0 (93.1-99.9) | 91.5 (87.8-94.1) | 93.6 (90.4-96.0) | |
| MaPCReN reference set 2 (no encounter notes; N=3212) |
|
||||||||||
|
|
Case definition 1 | 1566 | 1620 | 0 | 26 | 100 (99.8-100) | 98.4 (97.7-99.0) | 98.4 (97.6-98.9) | 100 | 99.2 (98.8-99.5) | |
|
|
Case definition 2 | 1135 | 1640 | 431 | 6 | 72.5 (70.2-74.7) | 99.6 (99.2-99.9) | 99..5 (98.8-99.8) | 79.2 (77.8-80.5) | 86.4 (85.2-87.6) | |
|
|
Case definition 3 | 1469 | 1620 | 97 | 26 | 93.8 (92.5-95.0) | 98.4 (97.7-99.0) | 98.3 (97.5-98.8) | 94.4 (93.2-95.3) | 96.2 (95.5-96.8) | |
|
|
Case definition 4 | 1566 | 1620 | 0 | 26 | 100 (99.8-100) | 98.4 (97.7-99.0) | 98.4 (97.6-98.9) | 100 | 99.2 (98.8-99.5) | |
aTP: true positive.
bTN: true negative.
cFN: false negative.
dFP: false positive.
eSE: sensitivity.
fSP: specificity.
gPPV: positive predictive value.
hNPV: negative predictive value.