TABLE III.
Two-Way Analysis of Variance (ANOVA) for Repeated Measures of Heart Rate, Cardiac Output, Stroke Volume, Ejection Fraction, and Respiratory Rate. Factors: Group (Experimental/Control); Time (3 min/15 min).
| Sum of squares (SS) | Degrees of freedom (DOF) | Mean squares (SS/DOF) | F | p | |
|---|---|---|---|---|---|
| Heart rate | |||||
| Group (G) | 0.24627 | 1 | 0.24627 | 73.88 | 0.045 e-7 |
| Time (T) | 0.01466 | 1 | 0.01466 | 4.4 | 0.0458 |
| Interaction (G×T) | 0.00019 | 1 | 0.00019 | 0.06 | 0.8145 |
| Error | 0.08667 | 26 | 0.00333 | ||
| Total | 0.35089 | 29 | |||
| Cardiac output | |||||
| Group (G) | 0.02022 | 1 | 0.02022 | 1.53 | 0.28 |
| Time (T) | 0.03878 | 1 | 0.03878 | 2.94 | 0.10 |
| Interaction (G×T) | 0.01968 | 1 | 0.01968 | 1.49 | 0.23 |
| Error | 0.31663 | 24 | 0.01319 | ||
| Total | 0.38332 | 27 | |||
| Stroke volume | |||||
| Group (G) | 0.14905 | 1 | 0.14905 | 9.43 | 0.005 |
| Time (T) | 0.00471 | 1 | 0.00471 | 0.3 | 0.59 |
| Interaction (G×T) | 0.03216 | 1 | 0.03216 | 2.03 | 0.17 |
| Error | 0.3794 | 24 | 0.01581 | ||
| Total | 0.56094 | 27 | |||
| Ejection fraction | |||||
| Group (G) | 0.01082 | 1 | 0.01082 | 5.65 | 0.0258 |
| Time (T) | 0.00097 | 1 | 0.00097 | 0.5 | 0.4845 |
| Interaction (G×T) | 0.00076 | 1 | 0.00076 | 0.4 | 0.5353 |
| Error | 0.04596 | 24 | 0.00192 | ||
| Total | 0.05919 | 27 | |||
| Respiratory rate | |||||
| Group (G) | 0.04035 | 1 | 0.04035 | 2.79 | 0.1069 |
| Time (T) | 0.07661 | 1 | 0.07661 | 5.3 | 0.0297 |
| Interaction (G×T) | 0.00009 | 1 | 0.00009 | 0.01 | 0.939 |
| Error | 0.37617 | 26 | 0.01447 | ||
| Total | 0.50088 | 29 | |||