Table 1.
Parameters of Rat OPs in the Time Domain
| Parameter | Intensity | Age | Control | 75 Model | 50/10 Model | ANOVA* |
|---|---|---|---|---|---|---|
| SOPA (μV) | 65 R* | P20 | 207 (125) | 209 (158) | 62 (65) | Fgroup = 12.15; P < 0.001 |
| P30 | 171 (91) | 167 (96) | 113 (53) | Fage =3.17; P = 0.048 | ||
| P60 | 132 (83) | 110 (78) | 73 (42) | Fintensity =110.03; P < 0.001 | ||
| Fgroup×age =2.12; P = 0.088 | ||||||
| 8,500 R* | P20 | 425 (164) | 283 (158) | 121 (74) | Fgroup×intensity =11.55; P < 0.001 | |
| P30 | 322 (99) | 255 (112) | 172 (91) | Fage×intensity =1.04; P = 0.359 | ||
| P60 | 322 (178) | 225 (124) | 148 (95) | Fgroup×age×intensity =0.99; P = 0.418 | ||
| SOPIT (ms) | 65 R* | P20 | 218 (20) | 234 (19) | 224 (20) | Fgroup =0.96; P = 0.392 |
| P30 | 214 (19) | 207 (26) | 213 (16) | Fage =22.53; P < 0.001 | ||
| P60 | 199 (18) | 192 (16) | 199 (25) | Fintensity =679.13; P < 0.001 | ||
| Fgroup×age =1.68; P = 0.166 | ||||||
| 8,500 R* | P20 | 173 (18) | 183 (12) | 191 (17) | Fgroup×intensity =1.79; P = 0.184 | |
| P30 | 166 (11) | 164 (9) | 177 (13) | Fage×intensity =2.89; P = 0.063 | ||
| P60 | 165 (20) | 158 (13) | 160 (19) | Fgroup age×intensity = 2.28; P = 0.070 | ||
| Mean IPI (ms) | 65 R* | P20 | 11.1 (2.6) | 10.9 (1.9) | 11.2 (2.2) | Fgroup =6.25; P = 0.005 |
| P30 | 10.4 (2.8) | 9.2 (1.5) | 9.9 (1.7) | Fage =52.73; P < 0.001 | ||
| P60 | 8.8 (4.7) | 8.8 (3.1) | 8.6 (2.1) | Fintensity =11.29; P = 0.002 | ||
| Fgroup×age =4.65; P = 0.002 | ||||||
| 8,500 R* | P20 | 11.3 (2.1) | 11.8 (2.8) | 14.1 (3.4) | Fgroup×intensity =1.44; P = 0.252 | |
| P30 | 9.7 (1.4) | 9.8 (1.9) | 11.5 (2.4) | Fage×intensity =3.99; P = 0.023 | ||
| P60 | 10.3 (2.7) | 8.7 (1.5) | 9.0 (2.0) | Fgroup×age×intensity =2.74; P = 0.036 |
Data are the mean (SD).
*
Group factor is between subjects; age and intensity factors are within subjects. Significance was defined as P < 0.05.