Comparison of Systolic Blood Pressure and Body Weight for LEW and R Male Rats Fed Either 0.2% NaCl or 8% NaCl Diet for 24 Weeks
| No. of weeks on diet | LEW (no.) | R (no.) | Two-way ANOVA | ||||
| 0.2% NaCl (8) | 8% NaCl (8) | 0.2% NaCl (10) | 8% NaCl (10) | ||||
| strain | diet | interaction | |||||
| Blood pressure (mmHg) | |||||||
| 4 | 141 ± 1.8 | 140 ± 4.4 | 143 ± 1.9 | 150 ± 3.5 | 0.051 | 0.26 | 0.24 |
| 8 | 141 ± 3.3 | 152 ± 4.5 | 142 ± 2.2 | 159 ± 2.0 | 0.17 | <0.001 | 0.34 |
| 16 | 135 ± 5.1 | 142 ± 2.6 | 132 ± 3.1 | 150 ± 2.3 | 0.40 | <0.001 | 0.12 |
| 24 | 131 ± 3.3 | 140 ± 2.5 | 141 ± 3.2 | 156 ± 4.0 | 0.001 | 0.001 | 0.43 |
| Body weight (grams) | |||||||
| 4 | 284 ± 6.2 | 286 ± 4.4 | 238 ± 4.7 | 243 ± 5.5 | <0.001 | 0.48 | 0.79 |
| 8 | 375 ± 7.1 | 352 ± 4.6 | 313 ± 4.8 | 309 ± 6.3 | <0.001 | 0.028 | 0.11 |
| 16 | 455 ± 9.1 | 409 ± 5.1 | 379 ± 5.7 | 365 ± 6.4 | <0.001 | <0.001 | 0.029 |
| 24 | 506 ± 12.4 | 452 ± 5.2 | 422 ± 5.4 | 407 ± 5.7 | <0.001 | <0.001 | 0.011 |
[i] Means ± s.e. are given; (ANOVA) analysis of variance.