Table 1.
Distribution of baseline demographics by treatment group
| Demographic | IGF-1 | Placebo | Significance (p) |
|---|---|---|---|
| Gender, men/women | 110/57 | 100/63 | 0.424 |
| Mean age, y | 53.9 | 54.8 | 0.464 |
| Bulbar/nonbulbar onset | 34/133 | 34/129 | 0.917 |
| Riluzole use, yes/no | 116/51 | 113/50 | 0.979 |
| Mean ALSFRS | 38.7 | 38.7 | 0.976 |
| Mean BDI score | 6.7 | 6.6 | 0.690 |
| Mean MMT score | 7.0 | 6.9 | 0.566 |
| Ethnicity | |||
| Caucasian | 158 | 155 | |
| Hispanic | 4 | 4 | |
| African American | 3 | 3 | |
| Native American | 1 | 0 | |
| Asian | 1 | 0 | |
| Other | 0 | 1 |
IGF-1 = insulin-like growth factor type I; ALSFRS = ALS functional rating scale; BDI = Beck Depression Inventory; MMT = manual muscle testing.