Table 4 Common functional outcomes reported

Type of THR

Two-stage

Single-stage

Single-stage

Two-stage

Two-stage

HHS

Preoperation

-

37.34 ± 11.25

48.1 ± 10.3

(range, 32–65)

-

-

Postoperation

80.9 (range, 48–97)

86.26 ± 10.64

87.6 ± 7 (range, 77–98)

-

-

Mean Change

-

 + 48.92

 + 39.50

-

-

LLD

Preoperation

2.89 cm (range: 2–4 cm)

4.14 cm ± 1.18

3.89 cm ± 1.23

-

-

Post-operation

0.61 cm (range: 0–2.5 cm)

0.62 cm ± 0.13

0.64 cm ± 0.62

-

-

Mean Change

 − 2.28

 − 3.52

 − 3.25

-

-

MAP

Preoperation

-

-

6.2 ± 1.4 (range, 3–9)

9.3 (range, 5–15)

4.6

Postoperation

-

-

14.9 ± 1.1 (range, 12–18)

16.7 (range, 15–18)

15.5

Mean Change

-

-

 + 8.70

 + 7.30

 + 10.90