From: Is performance in goal oriented head movements altered in patients with tension type headache?
 | Group 1 (healthy controls) | Group 2 (patients with TTH) | |||
---|---|---|---|---|---|
 | Mean | SD | Mean | SD | |
Movement time (ms) | Condition 1 | 551 | 45 | 567 | 37 |
 | Condition 2 | 518 | 37 | 562 | 33 |
 | Condition 3 | 592 | 42 | 594 | 39 |
 | Condition 4 | 615 | 41 | 646 | 49 |
Constant error (deg) | Condition 1 | 3.4 | 0.9 | 9.4 | 2.6 |
 | Condition 2 | 2.9 | 1.1 | 8.3 | 2.3 |
 | Condition 3 | 4.8 | 1.0 | 7.2 | 1.8 |
 | Condition 4 | 1.5 | 1.3 | 4.5 | 2.2 |
Absolute error (deg) | Condition 1 | 4.5 | 0.7 | 10.5 | 2.4 |
 | Condition 2 | 5.1 | 0.6 | 9.1 | 2.1 |
 | Condition 3 | 5.8 | 0.7 | 8.7 | 1.4 |
 | Condition 4 | 5.4 | 0.6 | 8.9 | 1.9 |
Variable error (deg) | Condition 1 | 2.9 | 0.2 | 4.0 | 0.5 |
 | Condition 2 | 3.4 | 0.2 | 3.4 | 0.4 |
 | Condition 3 | 3.1 | 0.3 | 3.4 | 0.3 |
 | Condition 4 | 3.4 | 0.2 | 4.4 | 1.5 |