|
DEXA variable
|
Longevity category
|
|---|
|
Expected (≥9 to ≤12.9 years)
|
Long (≥13 to ≤15.5 years)
|
Exceptional (≥15.6 years)
|
|---|
|
N
|
Meana
|
SEMb
|
N
|
Meana
|
SEMb
|
N
|
Meana
|
SEMb
|
|---|
|
Total fat mass (g)
|
13
|
1000*
|
165
|
15
|
320*
|
152
|
11
|
625
|
170
|
|
Total lean mass (g)
|
13
|
−593
|
127
|
15
|
−461
|
80
|
11
|
−269
|
165
|
|
Body fat (%)
|
13
|
2.69*#
|
0.35
|
15
|
1.25*
|
0.31
|
11
|
1.55#
|
0.36
|
|
Body lean (%)
|
13
|
−2.69*#
|
0.33
|
15
|
−1.31*
|
0.29
|
11
|
−1.58#
|
0.34
|
|
Fat:Leanb
|
13
|
0.06*#
|
0.01
|
15
|
0.03*
|
0.01
|
11
|
0.04#
|
0.01
|
|
Total BMC (g)
|
13
|
10
|
3.2
|
15
|
18
|
3.1
|
11
|
16.6
|
3.2
|
|
Total BMD (g)
|
13
|
0.0061*#
|
0.0022
|
15
|
0.0123*
|
0.0019
|
11
|
0.0131#
|
0.0024
|
- Means within a row that share an asterisk (*) or a hash (#) are significantly different (P < 0.05); means within a row with no asterisk or hash are not significantly different (P > 0.05)
-
DEXA Dual-energy x-ray absorptiometer scans obtained using DXA Model Delphi-A, Serial No. 70852; Bedford, MA, USA
-
N number
-
a Means and standard errors of the mean (SEM) for changes in body composition (slope) as g/dog/year or %/dog/year up to 13 years
-
b The fat to lean ratio was determined as total fat mass (g)/total lean mass (g)
