Table 2 Unadjusted and adjusted relative rates for amputations among population groups

 0–49

1.00

1.00

 50–74

1.703

5.49

(5.08–5.93)

< 0.001

1.779

5.92

(5.39–6.51)

< 0.001

 75+

2.209

9.10

(8.45–9.80)

< 0.001

2.359

10.58

(9.26–12.08)

< 0.001

Year

0.938

0.012

Age and Year Int*

0.007

 Female

1.00

1.00

 Male

0.886

2.43

(2.30–2.56)

< 0.001

0.806

2.24

(1.99–2.51)

< 0.001

Year

0.565

0.271

Sex and Year Int*

0.120