Table 1 Characteristics of GTEx tissue samples used for DNA methylation analysis
From: DNA methylation correlates of chronological age in diverse human tissue types
|  | Lung (n=223) | Colon (n = 223) | Ovary (n = 157) | Prostate (n = 119) | Whole blood (n = 54) | Testis (n = 50) | Kidney (n = 50) | Muscle (n = 47) | Breast (n = 38) |
|---|---|---|---|---|---|---|---|---|---|
Age (yrs) | 56.1 (11.3) | 55.2 (11.1) | 50.5 (13.6) | 54.3 (12.7) | 50.3 (12.9) | 54.2 (12.2) | 59.7 (8.3) | 57.1 (10.5) | 50.0 (11.9) |
BMI (kg/m2) | 27.1 (3.9) | 27.6 (3.9) | 26.7 (4.2) | 27.1 (3.8) | 27.4 (4.2) | 27.2 (3.8) | 26.4 (3.7) | 26.8 (4.4) | 25.4 (3.9) |
Sex | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Male | 155 (69.5) | 160 (71.7) | 0 (0) | 119 (100) | 45 (83.3) | 50 (100) | 39 (78) | 28 (59.6) | 0 (0) |
 Female | 68 (30.5) | 63 (28.3) | 157 (100) | 0 (0) | 9 (16.7) | 0 (0) | 11 (22) | 19 (40.4) | 38 (100) |
Race | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 White | 196 (87.9) | 190 (85.2) | 128 (81.5) | 108 (90.8) | 49 (90.7) | 47 (94) | 44 (88) | 41 (87.2) | 32 (84.2) |
 Afr. American | 22 (9.9) | 28 (12.6) | 26 (16.6) | 9 (7.6) | 5 (9.3) | 3 (6) | 6 (12) | 6 (12.8) | 6 (15.8) |
 Others | 5 (2.2) | 5 (2.2) | 3 (1.9) | 2 (1.7) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |