Table 2.
Menstrual Cycle Symptom Scores for Primary and Secondary Outcome Measures, by Random Assignment
Number of Participants | PMTS | IDS-C | CGI-S | CGI-I | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Visit | Act. | Pla. | Active | Placebo | Active | Placebo | Active | Placebo | Active | Placebo |
Baseline | 125 | 127 | 22.3 (4.8) | 21.4 (4.5) | 35.4 (10.7) | 32.8 (10.4) | 4.5 (0.7) | 4.5 (0.6) | – | – |
Cycle 1 | 110 | 123 | 15.6 (7.3) | 16.8 (6.0) | 23.7 (12.3) | 24.0 (11.4) | 3.4 (1.0) | 3.8 (0.9) | 2.7 (1.1) | 3.2 (1.0) |
Cycle 2 | 104 | 112 | 14.1 (6.9) | 15.6 (6.1) | 21.0 (11.7) | 22.8 (10.6) | 3.1 (1.2) | 3.3 (1.1) | 2.4 (1.0) | 2.7 (1.1) |
Cycle 3 | 100 | 101 | 13.0 (8.0) | 14.0 (5.8) | 19.2 (13.1) | 19.6 (10.0) | 2.8 (1.3) | 3.0 (1.0) | 2.3 (1.3) | 2.4 (1.0) |
Cycle 4 | 95 | 98 | 12.9 (6.7) | 13.9 (6.3) | 17.3 (11.1) | 19.1 (9.9) | 2.6 (1.2) | 2.9 (1.2) | 2.1 (1.2) | 2.5 (1.3) |
Cycle 5 | 88 | 85 | 11.4 (6.3) | 12.4 (6.3) | 15.2 (9.9) | 16.7 (10.4) | 2.4 (1.0) | 2.7 (1.1) | 2.0 (1.0) | 2.1 (1.2) |
Cycle 6 | 88 | 88 | 11.7 (6.8) | 12.8 (6.9) | 15.5 (10.7) | 17.8 (11.0) | 2.2 (1.1) | 2.5 (1.3) | 1.8 (0.9) | 2.2 (1.3) |
Average Change from Baseline | 88 | 88 | −10.6 (6.6) | −8.9 (7.4) | −20.0 (11.4) | −15.3 (12.5) | −2.3 (1.2) | −1.9 (1.4) | −0.9 (1.2)** | −0.8 (1.4)** |
Group | F(1,249)=1.6, p=0.21 |
F(1,245)=0.4, p=0.54 |
χ2(1)=6.2, p=0.01 |
χ2(1)=6.7, p=0.01 |
||||||
Time | F(6,447)=131.8, p<.001 |
F(6,1210)=60.7, p<.001 |
χ2(6)=182.8, p<.001 |
χ2(5)=29.9, p<.001 |
||||||
Group by Time | F(6,448)=2.1, p=0.06 |
F(6,1183)=2.6, p=0.02 |
χ2(6)=7.5, p=0.28 |
|||||||
Estimated Mean difference from baseline to end point between active vs. placebo (95% CI) | 1.88 (0.01 – 3.75) | 5.14 (1.97 – 8.31) | 0.59 (0.30 – 1.19) | 0.55 (0.30 – 1.02)* |
Represents difference between groups at end-point only
Represents average change from Cycle 1 to end-point