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Table 2 Operative data, blood loss, clinical outcomes, and complications

From: Should we be concerned when the anterior approach to the hip goes accidentally medial? A retrospective study

 

Study group (n = 6)

Control group (n = 50)

P

Effect size

Operative time (min)

91 ± 34.8 (52–139)

72.3 ± 14.2 (36–101)

0.0147a

0.703c

ΔHb

4.1 ± 1 (3–5.3)

3.9 ± 0.4 (2.5–5.5)

0.3467a

0.262c

HHS pre

52.3 ± 7.6 (44–62)

54.6 ± 4.8 (48–71)

0.3035a

0.361c

HHS post

88 ± 9.3 (75–100)

96 ± 5.3 (83–100)

0.0023a

1.056c

ΔHHS

35.7 ± 11.3 (18–47)

41.4 ± 5.1 (29–47)

0.0352a

0.650c

Neurological complications

(No. patients)

n = 4 (66.7%):

3 Femoral nerve lesions

2 LFCN lesions

n = 2 (4%):

2 LFCN lesions

0.0006b

48d

  1. Bold type: statistically significant (P < 0.05)
  2. LFCN Lateral femoral cutaneous nerve
  3. aMann–Whitney test
  4. bFisher exact test
  5. cCohen’s d
  6. dOdds ratio