Table 1.
Comparative analysis of maternal age, gestation week, absolute PI (AbsPI) changes, and relative PI (RePI) changes in groups C1 and C2.
| Maternal Age, Gestational Age, and Comparative Analysis of PI Value Changes in Cl and C2 Group | Number (n) | Mean | Standard Deviation | Minimum | Maximum | Degrees of Freedom (df) |
F Value | Significance (p) | |
|---|---|---|---|---|---|---|---|---|---|
| Maternal age (years) | Cl | 98 | 30 | 2.53 | 25 | 34 | 1 | 0 | 1 |
| C2 | 98 | 30 | 2.53 | 25 | 34 | ||||
| Gestational age (weeks) | Cl | 98 | 38.9 | 1.2 | 36 | 41 | 1 | 0 | 1 |
| C2 | 98 | 38.9 | 1.2 | 36 | 41 | ||||
| PIB | Cl | 98 | 1.34 | 0.23 | 0.87 | 1.83 | 1 | 11.158 | 0.001 |
| C2 | 98 | 1.48 | 0.32 | 0.99 | 2.97 | ||||
| PIR | Cl | 98 | 1.25 | 0.24 | 0.77 | 1.71 | 1 | 8.768 | 0.003 |
| C2 | 98 | 1.37 | 0.31 | 0.76 | 2.11 | ||||
| RePI | Cl | 98 | 0.043 | 0.22 | −0.47 | 0.34 | 1 | 0.006 | 0.937 |
| C2 | 98 | 0.046 | 0.23 | −0.57 | 0.52 | ||||
| AbsPI | Cl | 98 | 0.188 | 0.12 | 0.02 | 0.47 | 1 | 0.047 | 0.829 |
| C2 | 98 | 0.184 | 0.14 | 0.02 | 0.57 | ||||
PIB = PI baseline in middle cerebral artery (MCA); PIR = PI reactions immediately after defined auditory stimulation in MCA; RePI = relative PI changes; AbsPI = absolute PI changes.