Baseline characteristics of probands and relatives
| Probands, N = 329, no. (%) . | MGUS proband, n = 97 . | MM proband, n = 232 . | Total . |
|---|---|---|---|
| Male | 48 (49.5) | 126 (54.3) | 174 (52.9) |
| Female | 49 (50.5) | 106 (45.7) | 155 (47.1) |
| Age group, y, no. (%) | |||
| Younger than 40* | 0 (0) | 6 (2.6) | 6 (1.8) |
| 40-49 | 0 (0) | 30 (13.0) | 30 (9.2) |
| 50-59 | 20 (20.6) | 79 (34.2) | 99 (30.2) |
| 60-69 | 48 (49.5) | 75 (32.5) | 123 (37.5) |
| 70-79 | 26 (26.8) | 38 (16.5) | 64 (19.5) |
| 80+ | 3 (3.1) | 3 (1.3) | 6 (1.8) |
| First-degree relatives, N = 911, no. (%) | MGUS relatives, n = 247 | MM relatives, n = 664 | Total |
| Male | 109 (44.1) | 273 (41.1) | 382 (41.9) |
| Female | 138 (55.9) | 391 (58.9) | 529 (58.1) |
| Relationship to proband | |||
| Parent | 1 (0.4) | 93 (14.0) | 94 (10.3) |
| Sibling | 101 (40.9) | 392 (59.0) | 493 (54.1) |
| Child | 145 (58.7) | 179 (27.0) | 324 (35.5) |
| Age group, y, no. (%) | |||
| 40-49 | 57 (23.1) | 201 (30.3) | 258 (28.3) |
| 50-59 | 76 (30.8) | 157 (23.6) | 233 (25.6) |
| 60-69 | 47 (19) | 143 (21.5) | 190 (20.9) |
| 70-79 | 39 (15.8) | 91 (13.7) | 130 (14.3) |
| 80+ | 28 (11.3) | 72 (10.8) | 100 (11) |
| Probands, N = 329, no. (%) . | MGUS proband, n = 97 . | MM proband, n = 232 . | Total . |
|---|---|---|---|
| Male | 48 (49.5) | 126 (54.3) | 174 (52.9) |
| Female | 49 (50.5) | 106 (45.7) | 155 (47.1) |
| Age group, y, no. (%) | |||
| Younger than 40* | 0 (0) | 6 (2.6) | 6 (1.8) |
| 40-49 | 0 (0) | 30 (13.0) | 30 (9.2) |
| 50-59 | 20 (20.6) | 79 (34.2) | 99 (30.2) |
| 60-69 | 48 (49.5) | 75 (32.5) | 123 (37.5) |
| 70-79 | 26 (26.8) | 38 (16.5) | 64 (19.5) |
| 80+ | 3 (3.1) | 3 (1.3) | 6 (1.8) |
| First-degree relatives, N = 911, no. (%) | MGUS relatives, n = 247 | MM relatives, n = 664 | Total |
| Male | 109 (44.1) | 273 (41.1) | 382 (41.9) |
| Female | 138 (55.9) | 391 (58.9) | 529 (58.1) |
| Relationship to proband | |||
| Parent | 1 (0.4) | 93 (14.0) | 94 (10.3) |
| Sibling | 101 (40.9) | 392 (59.0) | 493 (54.1) |
| Child | 145 (58.7) | 179 (27.0) | 324 (35.5) |
| Age group, y, no. (%) | |||
| 40-49 | 57 (23.1) | 201 (30.3) | 258 (28.3) |
| 50-59 | 76 (30.8) | 157 (23.6) | 233 (25.6) |
| 60-69 | 47 (19) | 143 (21.5) | 190 (20.9) |
| 70-79 | 39 (15.8) | 91 (13.7) | 130 (14.3) |
| 80+ | 28 (11.3) | 72 (10.8) | 100 (11) |
MGUS probands were recruited from a prevalence study of residents 50 years and older.