Table 1.
Results of eligibility validation for alternative modes of cohort ascertainment
| Mode of Ascertainment |
Number of Patients |
Determination of Cohort Eligibility; N, row percentages (95% CI)* |
||
|---|---|---|---|---|
| Definitely transgender |
Definitely not transgender |
Possibly transgender** |
||
| Progress note keyword(s) only |
137 | 62 45% (37-54%) |
73 53% (45-62%) |
2 1% (0-6%) |
| ICD-9 code(s) only | 25 | 14 56% (35-75%) |
4 16% (5-37%) |
7 28% (13-50%) |
| Both keyword(s) and ICD-9 code(s) |
109 | 109 100% (96-100%) |
0 (0%; 0-4%) |
0 0% (0-4%) |
| Total | 271 | 185 68% (62-74%) |
77 28% (23-34%) |
9 3% (2-6%) |
*
may not add up to 100% due to rounding
**
Includes persons whose text strings and/or in depth records reviews were inconclusive