Table 4. Demographics before and after propensity score matching.

Cohort A: Adult patients who had a visit to the emergency department and a history of sexual reassignment.

Cohort C: Adult patients who had a visit to the emergency department and no history of sexual reassignment but had a vasectomy or bilateral tubal ligation.

Demographics	Before propensity score matching		After propensity score matching
	Cohort A (%)	Cohort C (%)	Cohort A (%)	Cohort C (%)
Total patients	1,501	142,093	1,489	1,489
Age at index ± SD	35.8 ± 11.6	41.1 ± 9.8	35.8 ± 11.6	36.3 ± 11.3
Female	760 (50.7%)	104,631 (76.1%)	760 (51.0%)	752 (50.5%)
Male	732 (48.8%)	32,830 (23.9%)	729 (49.0%)	737 (49.5%)
White	932 (62.1%)	90,431 (65.8%)	924 (62.1%)	892 (59.9%)
American Indian or Alaska Native	15 (1%)	483 (0.4%)	12 (0.8%)	32 (2.1%)
Native Hawaiian or other Pacific Islander	10 (0.7%)	147 (0.1%)	10 (0.7%)	10 (0.7%)
Hispanic or Latino	114 (7.6%)	15,780 (11.5%)	113 (7.6%)	111 (7.5%)
Black or African American	339 (22.6%)	27,253 (19.8%)	339 (22.8%)	345 (23.3%)
Asian	22 (1.5%)	2,073 (1.5%)	22 (1.5%)	19 (1.3%)
Not Hispanic or Latino	1,066 (71.1%)	87,544 (63.7%)	1,059 (71.1%)	1,060 (71.2%)
Unknown race	187 (12.5%)	17, 081 (12.4%)	187 (12.6%)	195 (13.1%)
Unknown ethnicity	320 (21.3%)	34,144 (24.8%)	317 (21.3%)	318 (21.4%)