Table 2.
Mean, Standard Deviation (SD), and Statistics for Analyses Performed
| |
Mean (SD) no/low blast |
IQR for no/low blast |
Mean (SD) moderate blast |
IQR for moderate blast |
F statistic (df) |
P |
Welch statistic |
Effect size (Cohen's d) |
|---|---|---|---|---|---|---|---|---|
| GFAP protein levels | ||||||||
| Day 1 | 52.280 (12.835) | 17.460 | 49.525 (9.694) | 11.290 | 0.704 (1,45) | 0.406 | 0.242 | |
| Day 6 | 49.207 (11.162) | 14.680 | 36.595 (8.174) | 11.240 | 19.189 (1,43) | <0.001 | 1.289 | |
| Day 7 | 43.510 (7.099) | 12.980 | 35.091 (6.960) | 9.040 | 15.551 (1,43) | <0.001 | 1.154 | |
| Day 8 | 52.546 (7.343) | 1.421 | 58.278 (15.845) | 24.560 | 0.105 | 2.747 | −0.464 | |
| Day 9 | 51.008 (12.478) | 20.260 | 51.703 (12.122) | 20.600 | 0.038 (1,46) | 0.847 | −0.056 | |
| Day 10 | 47.375 (9.187) | 14.210 | 46.848 (9.838) | 1.929 | 0.033 (1,43) | 0.856 | 0.055 | |
| Percent change from baseline | ||||||||
|---|---|---|---|---|---|---|---|---|
| Day 6 |
−3.94% (21.08%) |
13.80% |
−24.07% (22.54%) |
28.34% |
11.895 (1,42) |
0.001 |
|
−0.922 |
| Day 7 |
−10.56% (25.54%) |
41.27% |
−29.61% (14.28%) |
10.71% |
|
0.008 |
8.481 |
−0.920 |
| Day 8 |
8.668% (29.08%) |
62.52% |
20.4% (42.38%) |
37.11% |
0.331 (1,45) |
0.568 |
|
−0.322 |
| Day 9 |
1.019% (32.98%) |
34.09% |
5.318% (34.32%) |
47.08% |
0.780 (1,44) |
0.382 |
|
−0.128 |
| Day 10 | −5.336% (27.83%) | 46.80% | −3.776% (16.62%) | 9.50% | 0.815 | 0.056 | 0.068 | |
| Interaction | ||||||||
|---|---|---|---|---|---|---|---|---|
| Time x Group | 5.481 (3.4,97.3) | 0.001 | 0.870 | |||||
| Pearson correlation statistics (r, p) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Cumulative pressure by day 6 | Cumulative pressure by day 7 | Total cumulative pressure | ||||||
| GFAP day 6 |
r = 0.333, p = 0.022 |
|
|
|||||
| GFAP day 7 |
|
r = −0.473, p = 0.001 |
|
|||||
| Duration of service | r = 0.258, p = 0.045 | |||||||
df, degrees of freedom; IQR, interquartile range; GFAP, glial fibrillary acidic protein.