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Table 1 Age and sex-specific incidence rates for primary THA per 100,000 inhabitants in Spain (2001-8).

From: Trends in primary total hip arthroplasty in Spain from 2001 to 2008: Evaluating changes in demographics, comorbidity, incidence rates, length of stay, costs and mortality

  

2001

2002

2003

2004

2005

2006

2007

2008

 

Age

Sex

N = 18,185

N = 19,029

N = 19,545

N = 19,733

N = 20,461

N = 21,176

N = 21,354

N = 22,308

P*

40-54

Men

29.64

31.90

30.83

31.61

33.97

36.62

37.97

39.14

<0.001

 

Women

17.54

16.92

16.16

16.80

17.93

17.92

17.30

18.20

0.104

50-64

Men

89.80

99.37

97.41

96.92

103.27

104.48

104.53

110.86

<0.001

 

Women

74.57

78.92

74.77

75.74

69.90

74.03

75.36

75.29

0.420

65-74

Men

200.39

187.94

197.35

189.43

195.56

190.92

192.18

184.98

0.022

 

Women

217.76

216.53

220.47

206.90

205.14

206.89

199.46

200.96

<0.001

75-84

Men

164.55

192.34

201.86

201.05

209.11

221.16

208.99

226.10

<0.001

 

Women

214.47

241.82

242.24

256.66

262.51

265.94

262.04

275.89

<0.001

≥ 85

Men

79.25

73.04

81.41

69.09

65.92

78.75

90.63

101.59

<0.001

 

Women

100.59

102.27

106.43

109.22

112.70

109.87

120.03

119.35

0.008

Total

Men

94.64

97.99

99.69

97.52

101.55

103.44

102.87

105.71

<0.001

 

Women

102.80

106.18

105.48

104.78

104.00

104.83

102.88

105.01

0.931

 

Both

99.05

102.40

102.80

101.42

102.87

104.19

102.88

105.33

<0.001

  1. Incidence rates calculated by dividing the number of cases per year sex and age group with the corresponding number of person in that population group according to the National Institute of Statistics (INE) reported at December 31 each year [17].
  2. *P value for time trend estimated using Poisson regression models