TABLE 6.
Comparison of selected echocardiographic values between “conditioned” dogs and “unconditioned” dogs.
| Parameter | Conditioned dogs | Unconditioned dogs | P value a | ||
|---|---|---|---|---|---|
| Median [range] N | Mean (SD) | Median [range] N | Mean (SD) | ||
| Age (mo) | 30 [11‐70] 27 | 33 (14) | 62 [24‐104] 16 | 64 (28) | <.0001 |
| Weight (kg) | 15.2 [11.6‐20.4] 27 | 15.4 (2.5) | 14.7 [12.0‐19.0] 16 | 15.0 (2.2) | NS |
| HR (bpm) b | 90 [60‐160] 27 | 97 (22) | 110 [70‐150] 16 | 110 (20) | .013 |
| 2‐D/M‐mode measurements | |||||
| LADLax b | 3.62 [2.78‐4.14] 27 | 3.58 (.37) | 3.33 [2.64‐4.34] 16 | 3.41 (.37) | NS |
| LA:AoSax | 1.30 [1.12‐1.57] 26 | 1.32 (.12) | 1.22 [.98‐1.44] 15 | 1.24 (.13) | NS |
| LA:AoLax | 2.07 [1.58‐2.46] 27 | 2.08 (.20) | 2.00 [1.53‐2.55] 16 | 2.04 (.23) | NS |
| IVSd | 1.02 [.79‐1.39] 25 | 1.05 (.14) | .92 [.80‐1.27] 16 | .96 (.13) | .036 |
| LVWd | .90 [.67‐1.19) 25 | .90 (.12) | .88 [.65‐1.19] 16 | .87 (.16) | NS |
| LVIDd | 3.85 [3.14‐4.57] 25 | 3.83 (.35) | 3.52 [3.12‐4.27] 16 | 3.54 (.29) | .01 |
| LVIDs | 2.98 [2.33‐3.71] 25 | 2.99 (.39) | 2.68 [2.12‐3.26] 16 | 2.66 (.31) | .007 |
| EPSS | .44 [.23‐.74] 25 | .47 (.15) | .33 [.22‐.57] 13 | .34 (.10) | .007 |
| dLVvol | 50.9 [34.4‐78.5] 27 | 53.4 (12.5) | 42.9 [35.4‐73.0] 16 | 47 (10) | NS |
| sLVvol b | 20.0 [14.9‐40.2] 27 | 22.2 (7.4) | 17.3 [11.5‐37.7] 16 | 19.2 (7) | NS |
| LVmass b | 132.6 [80.8‐207.5] 25 | 132.7 (33.2) | 97.1 [69.5‐176.1] 16 | 104.4 (31.1) | .007 |
| Indexed values | |||||
| LADLaxN b | 1.25 [1.01‐1.34] 27 | 1.23 (.08) | 1.19 [.86‐1.38] 16 | 1.19 (.12) | NS |
| IVSdN b | .55 [.44‐.73] 25 | .57 (.08) | .53 [.45‐.68] 16 | .53 (.07) | NS |
| LVIDdN b | 1.53 [1.31‐1.81] 25 | 1.55 (.11) | 1.44 [1.28‐1.62] 16 | 1.45 (.10) | .004 |
| LVWdN b | .36 [.29‐.45] 25 | .36 (.04) | .35 [.27‐.47] 16 | .35 (.06) | NS |
| LVIDsN b | .94 [.74‐1.10] 25 | .91 (.10) | .82 [.61‐1.07] 16 | .83 (.10) | .016 |
| LVmass/kg | 8.62 [5.91‐11.28] 25 | 8.58 (1.52) | 6.68 [4.75‐10.03] 16 | 6.94 (1.56) | .002 |
| Functional measures | |||||
| Evel | .84 [.50‐1.11] 26 | .83 (.14) | .72 [.59‐.83] 16 | .72 (.08) | .005 |
| E/A | 2.2 [1.2‐3.6] 26 | 2.2 (.6) | 1.9 [1.1‐3.8] 16 | 2.1 (.8) | NS |
| EF b | 60.7 [38.8‐68.2] 27 | 58.8 (7.3) | 60.3 [48.4‐69.7] 16 | 60.0 (6.9) | NS |
| FS b | 21.0 [10.0‐39.0] 25 | 22.1 (6.0) | 24.5 [14.0‐43.0] 16 | 24.9 (6.0) | NS |
| s′ | .13 [.08‐.20] 27 | .13 (.03) | .14 [.09‐.20] 16 | .14 (.03) | NS |
Note: Abbreviations and LV mass calculations appear in Table 1. Significant P values (<.05) appear in bold.
Abbreviation: NS, no significance.
a
Compares mean (SD) if normal distribution or median [range] if non‐normal distribution.
b
Reject normality (Shapiro‐Wilk).