| ID, description, units | MPD:33237   
RR         interval RR   
[ms] atenolol, isoproterenol study | 
| Measures | 
          • control    • atenolol 10mg    • isoprot 1mg    • isoprot 10mg
         | 
| Data set, strains | Maurer1 inbred 23 strains sex: m age: 7-13wks | 
| Procedure | ECG | 
| Comparison | control group vs. multiple treatment / dosage groups | 
| Ontology mappings |  | 
| Factor | DF | Sum of squares | Mean sum of squares | F value | p-value (Pr>F) | 
|---|---|---|---|---|---|
| group | 3 | 222187.5842 | 74062.5281 | 256.3406 |  | 
| strain | 22 | 137487.9051 | 6249.4502 | 21.6302 |  | 
| group:strain | 66 | 61569.2136 | 932.8669 | 3.2288 |  | 
| Residuals | 807 | 233160.3102 | 288.9223 |  |