Table 3.
Items | Time | Ketamine (N = 30) | Control (N = 30) | Effect of ketamine relative to control | RMANOVA P values | |||
---|---|---|---|---|---|---|---|---|
Mean ± SD | Between subjects | Between subjects | Within subjects | Inter-action | ||||
Vigor | ||||||||
Active | Pre | 1.0 ± 0.5 | 1.1 ± 0.5 | −0.1 ± 0.1 | −0.3–0.2 | 0.203 | <0.001 ∗ | 0.004 ∗ |
Post | 2.2 ± 0.6 | 1.8 ± 0.6 | 0.4 ± 0.2 | 0.1–0.7 | ||||
Alert | Pre | 1.4 ± 0.8 | 1.5 ± 0.9 | −0.1 ± 0.2 | −0.5–0.4 | 0.139 | 0.005 ∗ | 0.041 ∗ |
Post | 2.2 ± 1.0 | 1.6 ± 1.0 | 0.6 ± 0.3 | 0.1–1.1 | ||||
Energetic | Pre | 0.8 ± 0.6 | 0.7 ± 0.7 | 0.2 ± 0.2 | −0.2–0.5 | 0.047 ∗ | <0.001 ∗ | 0.010 ∗ |
Post | 2.2 ± 0.8 | 1.5 ± 1.2 | 0.7 ± 0.3 | 0.1–1.2 | ||||
Lively | Pre | 0.3 ± 0.5 | 0.1 ± 0.4 | 0.1 ± 0.1 | −0.1–0.4 | 0.300 | <0.001 ∗ | 0.999 |
Post | 0.7 ± 0.6 | 0.5 ± 0.7 | 0.1 ± 0.2 | −0.2–0.5 | ||||
Total vigor subscale | Pre | 3.5 ± 1.3 | 3.4 ± 1.8 | 0.2 ± 0.4 | −0.6–1.0 | 0.042 ∗ | <0.001 ∗ | 0.004 ∗ |
Post | 7.2 ± 2.2 | 5.4 ± 2.8 | 1.8 ± 0.7 | 0.5–3.1 | ||||
| ||||||||
Tension | ||||||||
Anxious | Pre | 1.7 ± 0.5 | 1.4 ± 1.0 | 0.3 ± 0.2 | −0.1–0.7 | 0.049 ∗ | 0.869 | <0.001 ∗ |
Post | 1.0 ± 0.7 | 2.0 ± 0.9 | −1.0 ± 0.2 | −1.4–0.6 | ||||
Nervous | Pre | 1.3 ± 0.7 | 1.2 ± 0.9 | 0.1 ± 0.2 | −0.3–0.5 | 0.001 ∗ | 0.489 | <0.001 ∗ |
Post | 0.5 ± 0.6 | 1.8 ± 1.1 | −1.3 ± 0.2 | −1.8–0.9 | ||||
Panicky | Pre | 1.2 ± 1.1 | 1.4 ± 0.9 | −0.2 ± 0.3 | −0.7–0.3 | <0.001 ∗ | 0.359 | <0.001 ∗ |
Post | 0.4 ± 0.5 | 2.0 ± 1.0 | −1.6 ± 0.2 | −2.0–1.2 | ||||
Worried | Pre | 1.6 ± 0.8 | 1.6 ± 1.0 | 0.0 ± 0.2 | −0.5–0.4 | <0.001 ∗ | 0.237 | <0.001 ∗ |
Post | 0.7 ± 0.6 | 2.2 ± 1.0 | −1.5 ± 0.2 | −1.9–1.0 | ||||
Total tension subscale | Pre | 5.8 ± 1.9 | 5.6 ± 2.1 | 0.2 ± 0.5 | −0.8–1.3 | <0.001 ∗ | 0.099 | <0.001 ∗ |
Post | 2.6 ± 1.5 | 8.0 ± 2.3 | −5.4 ± 0.5 | −6.4–4.4 | ||||
| ||||||||
Fatigue | ||||||||
Exhausted | Pre | 1.3 ± 0.5 | 1.5 ± 1.2 | −0.2 ± 0.2 | −0.7–0.3 | <0.001 ∗ | <0.001 ∗ | <0.001 ∗ |
Post | 1.0 ± 0.4 | 2.6 ± 1.2 | −1.7 ± 0.2 | −2.1–1.2 | ||||
Sleepy | Pre | 1.3 ± 0.7 | 1.2 ± 0.9 | 0.1 ± 0.2 | −0.3–0.5 | 0.358 | <0.001 ∗ | 0.053 |
Post | 1.7 ± 0.6 | 2.1 ± 1.1 | −0.4 ± 0.2 | −0.9–0.1 | ||||
Tired | Pre | 2.1 ± 0.8 | 1.9 ± 1.0 | 0.1 ± 0.2 | −0.3–0.6 | <0.001 ∗ | 0.110 | <0.001 ∗ |
Post | 0.8 ± 0.5 | 2.8 ± 1.0 | −2.0 ± 0.2 | −2.4–1.5 | ||||
Worn out | Pre | 1.0 ± 0.8 | 1.1 ± 0.9 | −0.2 ± 0.2 | −0.6–0.3 | <0.001 ∗ | <0.001 ∗ | <0.001 ∗ |
Post | 0.3 ± 0.5 | 2.5 ± 1.3 | −2.2 ± 0.2 | −2.7–1.7 | ||||
Total fatigue subscale | Pre | 5.6 ± 1.8 | 5.8 ± 2.6 | −0.2 ± 0.6 | −1.3–1.0 | <0.001 ∗ | <0.001 ∗ | <0.001 ∗ |
Post | 3.7 ± 1.0 | 10.0 ± 3.8 | −6.2 ± 0.7 | −7.7–4.8 |
∧RMANOVA test. ∗Significant.