Table 4.
Characteristics of MM lesion levels
| Lesion levels | |||||
|---|---|---|---|---|---|
| L1 and above | L2 and below | Sacral | unknown | Total | |
| Gender | |||||
| female | 113 (13.1) | 261 (30.2) | 3 (0.3) | 59 (6.8) | 436 (50.4) |
| male | 80 (9.2) | 270 (31.2) | 2 (0.2) | 41 (4.7) | 393 (45.4) |
| Ethnicity | |||||
| Hispanic (Mex) | 100 (11.6) | 270 (31.2) | 1 (0.1) | 26 (3.0) | 397 (45.9) |
| Caucasian | 69 (8.0) | 187 (21.6) | 2 (0.2) | 55 (6.4) | 313 (36.2) |
| African | 9 (1.0) | 24 (2.8) | 0 (0.0) | 2 (0.2) | 35 (4.0) |
| American others | 22 (2.5) | 69 (8.0) | 2 (0.2) | 27 (3.1) | 120 (13.9) |
| Recruitment sites | |||||
| HOU | 45 (5.2) | 119 (13.8) | 1 (0.1) | 10 (1.2) | 175 (20.2) |
| TCH | 80 (9.2) | 193 (22.3) | 4 (0.5) | 26 (3.0) | 303 (35.0) |
| TOR | 22 (2.5) | 53 (6.1) | 0 (0.0) | 54 (6.2) | 129 (14.9) |
| LA | 30 (3.5) | 108 (12.5) | 0 (0.0) | 7 (0.8) | 145 (16.8) |
| LEX | 19 (2.2) | 51 (5.9) | 0 (0.0) | 1 (0.1) | 71 (8.2) |
| OTH | 4 (0.5) | 26 (3.0) | 0 (0.0) | 12 (1.4) | 42 (4.9) |
| total | 200 (23.1) | 550 (63.6) | 5 (0.6) | 110 (12.7) | 865 (100) |
Notes: Lesion levels: L1 and above = lesion located on or above vertebrae L1; L2 and below = lesion located on or below vertebrae L2. Hispanic (Mex) = Hispanics of Mexican American descent; Hispanics (non-Mex) = non-Mexican Hispanics, Asian/Pac = Asian and Pacific Islander; Others includes Native American and other country of origin. Data show the number of patients and the percentage of patients in the whole cohort. Patients recruitment sites include: HOU=Shriners Hospital for Children at Houston, Texas; TCH=Texas Children’s Hospital, Houston, Texas; TOR=The Hospital for Sick Children Toronto, Canada; LA=Shriners Hospital for Children at Los Angeles, California; LEX=Shriners Hospital for Children at Lexington, Kentucky; OTH=referrals from Houston and Texas border areas. Data represent number of patient families follow by percentages in bracket with reference to the total number of families in the study.