Table 5 Cohort characteristics, stratified by age group.

From: Changes in insulin, adiponectin and lipid concentrations with age are associated with frailty and reduced quality of life in dogs

Characteristic

Overall

N = 451

Young (< 7) (n = 182)

Old (7+)

(n = 269)

p-value1

Age (years)

    

Mean (SD)

7.72 (3.76)

3.86 (1.07)

10.33 (2.46)

 

Median (IQR)

7.80 (4.20, 10.60)

3.90 (3.03, 4.78)

10.00 (8.30, 12.10)

 

Range

2.00, 17.70

2.00, 5.90

7.00, 17.70

 

Weight (kg)

   

0.011

Mean (SD)

24.01 (15.37)

26.23 (15.07)

22.52 (15.43)

 

Median (IQR)

27.60 (8.00, 34.00)

29.00 (10.00, 34.70)

26.30 (7.40, 33.00)

 

Range

1.30, 80.00

1.40, 80.00

1.30, 74.40

 

Body Condition Score

0.764

Mean (SD)

5.43 (0.94)

5.45 (0.89)

5.42 (0.98)

 

Median (IQR)

5.00 (5.00, 6.00)

5.00 (5.00, 6.00)

5.00 (5.00, 6.00)

 

Range

3.00, 9.00

4.00, 8.00

3.00, 9.00

 

Purebred

327 (73%)

128 (70%)

199 (74%)

0.395

Gonadectomy

   

< 0.001

Desexed

410 (91%)

151 (84%)

259 (96%)

 

Intact

39 (8.7%)

29 (16%)

10 (3.7%)

 

N Missing

2

2

0

 

Sex

   

0.948

Female

209 (46%)

84 (46%)

125 (46%)

 

Male

242 (54%)

98 (54%)

144 (54%)

 
  1. 1Welch Two Sample t-test for continuous data; Pearson’s Chi-squared test or categorical data.
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