Table 1 Study Cohort Demographics
From: Aging and CMV discordance are associated with increased immune diversity between monozygotic twins
| Total | Young twins | Middle-aged twins | Young singlets | Middle-aged singlets | |
|---|---|---|---|---|---|
| Total participants (MZ twin pairs) | 60 (23) | 28 (14) | 18 (9) | 5 | 9 |
| Female [n, %] | 39 (65%) | 19 (68%) | 12 (67%) | 3 (60%) | 5 (65%) |
| Age (years) [median, IQR, range] | 28.6, 27.0 (11.5–59.0) | 23.6, 9.3 (12.5–30.7) | 48.6, 10.7 (42.1–59.0) | 15.8, 6.3 (11.5–22.5) | 53.9, 4.0 (43.9–56.1) |
| Caucasian [n, %]* | 47 (78%) | 23 (82%) | 11 (61%) | 4 (80%) | 9 (100%) |
| Asian [n, %] | 10 (17%) | 7 (25%) | 3 (17%) | 0 (0%) | 0 (0%) |
| Black or African American [n, %] | 5 (8%) | 0 (0%) | 4 (22%) | 1 (20%) | 0 (0%) |
| Other or declined to answer [n, %] | 8 (13%) | 4 (14%) | 3 (17%) | 1 (20%) | 0 (0%) |
| CMV + [n, %] | 32 (53%) | 20 (71%) | 5 (28%) | 4 (80%) | 6 (67%) |
| CMV +/+, n twin pairs (% of MZ pairs) | 10 (43%) | 9 (64%) | 1 (11%) | ||
| CMV −/−, n twin pairs (% of MZ pairs) | 8 (35%) | 3 (21%) | 5 (56%) | ||
| CMV +/−, n twin pairs (% of MZ pairs) | 5 (22%) | 2 (14%) | 3 (33%) |