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Table 1 The demographic data

From: Complications after direct anterior versus Watson-Jones approach in total hip arthroplasty: results from a matched pair analysis on 1408 patients

 

Pre-matched cohort

Post-matched cohort

Total

DAAb

Watson-Jones

p value

Total

DAAb

Watson-Jones

p value

Number of patients

1408

846 (60.0%)

562 (39.9%)

 

792

396

396

 

Age (years)

68.9 (± 10.4)

67.4 (± 10.3)

71.4 (± 10)

< 0.001

68.7 (± 10.3)

67.3 (±10.3)

68.5 (±10.2)

0.198

BMIa

27.8 ± (4.8)

27.2 (± 4.9)

28.7 (± 5.5)

< 0.001

28.1 (± 4.9)

27.7 (±4.7)

27.6 (±4.9)

0.245

Female

811 (57.5%)

476 (56.3%)

335 (59.5%)

0.214

486 (61%)

243 (61.3%)

243 (61.3%)

0.382

ASA** I

98 (6.9%)

78 (9.2%)

20 (3.6%)

 

40 (5.0%)

24 (6.1%)

16 (4.0%)

 

ASA** II

934 (66.3%)

603 (71.2%)

331 (58.9%)

 

568 (71.2%)

284 (71.7%)

284 (71.7%)

 

ASA** III

374 (26.5%)

164 (19.3%)

210 (37.3%)

< 0.001

184 (23.2%)

88 (22.22%)

96 (24.2%)

0.175

ASA** IV

2 (0.1%)

1 (0.1%)

1 (0.1%)

 

0 (0.0%)

0 (0.0%)

0 (0.0%)

 
  1. aBMI body mass index
  2. bDAA direct anterior approach
  3. **ASA American Society of Anesthesiologists’ score