Table 5 Responders to MMPI survey 2-year follow-up for Primary THA

5707

488

Gender

Female

280/2929 = 9.6%

Male

208/2778 = 7.5%

0.77

(0.62,0.94)

0.01

5707

488

Age Category

≤60

117/1730 = 6.8%

61–70

152/1759 = 8.6%

1.30

(0.99,1.72)

0.06

71–80

169/1721 = 9.8%

1.50

(1.15,1.97)

<0.01

>80

50/497 = 10.1%

1.54

(1.07,2.23)

0.02

5679

483

BMI Category

<25

120/1387 = 8.7%

25–29.9

186/2224 = 8.4%

0.96

(0.75,1.24)

0.78

30–34.9

114/1361 = 8.4%

0.97

(0.72,1.29)

0.81

35–39.9

42/479 = 8.8%

1.01

(0.68,1.51)

0.94

≥40

21/228 = 9.2%

1.07

(0.62,1.85)

0.81

5678

488

ASA Score

1–2

268/3540 = 7.6%

3–4

220/2138 = 10.3%

1.40

(1.16,1.70)

<0.01

5701

488

Charlson Index (5 point increase)

N/A

N/A

1.76

(1.44,2.14)

<0.01

4792

412

Income Category

>$45K

167/1507 = 11.1%

≤$35K

91/1234 = 7.4%

0.64

(0.48,0.85)

<0.01

>$35K–$45K

154/2051 = 7.5%

0.65

(0.51,0.83)

<0.01

5511

459

Distance Category

0–100 miles

266/2664 = 10%

>100–500 miles

155/2280 = 6.8%

0.66

(0.53,0.82)

<0.01

>500 miles or Non-US

38/567 = 6.7%

0.65

(0.44,0.95)

0.03

5707

488

Operative Diagnosis

Inflammatory Arthritis

19/148 = 12.8%

AVN

48/409 = 11.7%

0.90

(0.47,1.73)

0.76

Osteoarthritis

409/4944 = 8.3%

0.61

(0.34,1.09)

0.09

Other

12/206 = 5.8%

0.42

(0.19,0.95)

0.04