| Discovery (n = 260) | Replication (n = 100) | ||||||
---|---|---|---|---|---|---|---|---|
Variable | Group 1 (low) | Group 2 (intermediate) | Group 3 (high) | p | Group 1 (low) | Group 2 (intermediate) | Group 3 (high) | p |
Group membership, n (%) | 29 (11.1) | 166 (63.8) | 65 (25.0) | Â | 6 (6.0) | 68 (68.0) | 26 (26.0) | Â |
Age, mean (SD) | 52.3 (12.2) | 53.0 (10.8) | 53.6 (11.2) | 0.862a | 65.2 (6.6) | 54.4 (12.0) | 51.0 (11.6) | 0.03a |
Sex, female, n (%) | 13 (44.8) | 118 (71.1) | 48 (73.8) | 0.011b | 4 (66.7) | 53 (77.9) | 19 (73.1) | 0.667c |
Self-identified race, white, n (%) | 20 (69.0) | 147 (88.6) | 58 (89.2) | 0.013b | 6 (100) | 61 (89.7) | 24 (92.3) | 1c |
Fisher grade | Â | Â | Â | Â | Â | Â | Â | Â |
 2 | 6 (20.7) | 54 (32.5) | 18 (27.7) | 0.558b | 5 (83.3) | 27 (39.7) | 9 (34.6) | 0.719b,d |
 3 | 14 (48.3) | 80 (48.2) | 32 (49.2) | 1 (16.7) | 30 (44.1) | 12 (46.2) | ||
 4 | 9 (31.0) | 32 (19.3) | 15 (23.1) | 0 | 11 (16.2) | 5 (19.2) | ||
Intervention, coil, n (%) | 16 (55.2) | 99 (59.6) | 40 (61.5) | 0.845b | 4 (66.7) | 46 (67.6) | 16 (61.5) | 0.875c |