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Table 3 Univariate logistic regression analysis of factors potentially associated with postoperative participation in sports activity

From: Sports activity participation and subjective health status of patients after total hip arthroplasty via the anterolateral-supine approach: a case series study

Parameters

Participation group (n = 137)

Nonparticipation group (n = 100)

Odds ratio (95%CI)

P-values

Age (years)

65.3 ± 8.8

62.4 ± 10.5

1.032

(1.004–1.060)

0.025

Sex (male/female)

21/116

22/78

0.642

(0.331–1.246)

0.190

Body mass index (kg/m2)

23.6 ± 3.8

24.2 ± 3.4

0.957

(0.892–1.027)

0.222

Hospitalization days (day)

14.7 ± 4.7

15.7 ± 6.1

0.964

(0.919–1.012)

0.144

Preoperative range of motion (°)

    

 Flexion

91.0 ± 17.4

92.9 ± 18.5

0.994

(0.980–1.009)

0.423

 Abduction

18.8 ± 8.6

18.5 ± 8.9

1.005

(0.976–1.035)

0.742

 Adduction

10.9 ± 9.0

9.8 ± 4.9

1.025

(0.979–1.072)

0.294

 External rotation

28.1 ± 12.2

29.8 ± 12.1

0.989

(0.968–1.010)

0.292

 Internal rotation

15.7 ± 11.9

14.7 ± 12.7

1.007

(0.986–1.028)

0.535

Hip abductor muscle strength (%BW)

    

 Preoperative

20.1 ± 8.1

19.1 ± 9.7

1.014

(0.984–1.044)

0.379

 Discharge

18.2 ± 6.9

17.1 ± 7.7

1.018

(0.977–1.061)

0.402

Comfortable 10-m gait speed (m/s)

    

 Preoperative

1.0 ± 0.3

1.0 ± 0.2

1.279

(0.460–3.561)

0.637

 Discharge

0.9 ± 0.5

0.8 ± 0.2

2.585

(0.824–8.108)

0.103

Maximum 10-m gait speed (m/s)

    

 Preoperative

1.4 ± 0.4

1.3 ± 0.4

1.323

(0.654–2.675)

0.437

 Discharge

1.2 ± 0.3

1.1 ± 0.3

2.329

(0.933–5.814)

0.070

JHEQ

60.6 ± 14.0

59.0 ± 15.3

1.008

(0.989–1.026)

0.416

Forgotten joint score (points)

71.5 ± 22.0

62.0 ± 24.9

1.017

(1.005–1.030)

0.008

EQ-5D-5L (0.01 point per increase)

0.9 ± 0.1

0.8 ± 0.2

1.024

(1.002–1.046)

0.033

EQ VAS (mm)

85.7 ± 12.1

80.1 ± 16.7

1.027

(1.006–1.049)

0.011

UCLA activity score

5.8 ± 1.8

4.1 ± 1.3

2.166

(1.627–2.883)

< 0.001

  1. Continuous values are expressed as mean ± SD. CI, confidence interval; SD, standard deviation; JHEQ, Japanese Orthopaedic Association Hip-Disease Evaluation Questionnaire; EQ-5D-5L, EuroQol 5-dimensions 5-level; EQ VAS, EuroQol visual analogue scale; UCLA, University of California, Los Angeles