Skip to main content
. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Ann Epidemiol. 2020 Oct 1;54:73–78. doi: 10.1016/j.annepidem.2020.09.013

Table 2.

Results of Transgender/Gender Nonbinary Status Validation by Mode of Screening

Mode of ascertainment Total meeting criteria n (%) Meeting only this criteria n (%) Verified TGNBa n (%) Not verified TGNB n (%) PPV b
ICD-9- and 10-CM diagnosis codesc 125 (59.0) 31 (14.6) 24 (77.4) 7 (22.6) 77.4
Gender-affirming medications 85 (39.9) 19 (9.0) 10 (52.6) 9 (47.4) 52.6
 Feminizing 80 (37.7) 15 (7.0) 10 (66.7) 5 (33.3) 66.7
 Masculinizing 4 (1.9) 4 (1.9) 0 (0) 4 (100.0) 0
Free-text keywords 57 (26.8) 12 (5.7) 11 (91.7) 1 (8.3) 91.7
HIV funding-related demographics 131 (61.8) 42 (19.8) 26 (61.9) 16 (38.1) 61.9
>1 of the above 108 (50.1) n/a 107 (99.1) 1 (0.9) 99.1
a

TGNB = transgender/gender nonbinary

b

PPV = positive predictive value

c

International Classification of Diseases, 9th and 10th Revisions, Clinical Modification