Table 9.
Change from baseline to the onset of heart failure for values of physical examination, diagnostic imaging, and laboratory variables for those dogs that developed congestive heart failure summarized for the population as a whole
| Continuous Variables | N | Absolute Change from Baseline Median (Interquartile Range) | Comparison to Baseline | |
|---|---|---|---|---|
| Physical examination variables | Body weight (kg) | 131 | −0.30 (−0.7 to 0.1) | <0.001 |
| Rectal temperature (°C) | 122 | −0.3 (−0.7 to 0.1) | <0.001 | |
| Respiratory rate (breaths/min) | 118 | 16 (4–29) | <0.001 | |
| Heart rate (BPM) | 129 | 22 (8–38) | <0.001 | |
| Diagnostic imaging variables | FS% (%) | 122 | 2.6 (−2.6 to 7.7) | 0.003 |
| LVIDDN | 122 | 0.35 (0.14–0.49) | <0.001 | |
| LA/Ao | 122 | 0.47 (0.24–0.75) | <0.001 | |
| LVIDSN | 122 | 0.13 (−0.04 to 0.27) | <0.001 | |
| VHS | 131 | 1.3 (0.80–1.9) | <0.001 | |
| Laboratory variables | Na+ (mmol/L) | 120 | 0.00 (−3.0 to 2.0) | 0.24 |
| K+ (mmol/L) | 119 | 0.10 (−0.20 to 0.40) | 0.067 | |
| PCV (%) | 115 | −1.0 (−3.9 to 3.0) | 0.095 | |
| Creatinine (μmol/L) | 119 | 0.0 (−8.8 to 17.7) | 0.018 | |
| TPC (g/L) | 116 | −2.0 (−5.5 to 3.0) | 0.027 | |
| GPT (ALT) (U/L) | 112 | 10.0 (−6.0 to 43.0) | <0.001 |
ALT, alanine aminotransferase; BPM, beats per minute; FS%, fractional shortening; GPT, glutamic‐pyruvate transaminase; K+, potassium concentration; LA/Ao, left atrial‐to‐aortic root ratio; LVIDDN, normalized left ventricular internal diameter in diastole; LVIDSN, normalized left ventricular internal diameter in systole; Na+, sodium concentration; PCV, packed cell volume; TPC, total protein concentration; VHS, vertebral heart sum.
All P‐values that appear in bold are < 0.05.