Table 4 Construct validity, given as Spearman’s correlations of five HOOS subscales, eight SF-36 subscales, PCS and MCS as well as VAS Pain in subjects following primary THR (n = 157)

SF-36 subscales

PF

0.66^a

0.60^a

0.68^a

0.71^a

0.65^a

(0.54 to 0.78)

(0.47 to 0.73)

(0.56 to 0.80)

(0.59 to 0.82)

(0.53 to 0.77)

RP

0.54^a

0.49

0.55^a

0.51^a

0.54^a

(0.41 to 0.68)

(0.36 to 0.63)

(0.42 to 0.69)

(0.38 to 0.65)

(0.41 to 0.68)

BP

0.70^a

0.62^a

0.73^a

0.57^a

0.61^a

(0.59 to 0.81)

(0.49 to 0.74)

(0.62 to 0.84)

(0.44 to 0.70)

(0.49 to 0.74)

GH

0.17

0.23

0.20

0.16

0.01

(0.01 to 0.32)

(0.08 to 0.39)

(0.04 to 0.35)

(0.01 to 0.32)

(−0.15 to 0.17)

VT

0.37

0.46

0.38

0.36

0.30

(0.22 to 0.52)

(0.32 to 0.60)

(0.23 to 0.53)

(0.21 to 0.51)

(0.15 to 0.45)

SF

0.30

0.47

0.34

0.29

0.34

(0.15 to 0.46)

(0.33 to 0.61)

(0.20 to 0.50)

(0.14 to 0.45)

(0.19 to 0.49)

RE

0.11

0.29

0.10

−0.08

0

(−0.04 to 0.27)

(0.13 to 0.44)

(−0.06 to 0.26)

(−0.24 to 0.08)

(− 0.16 to 0.16)

MH

0.32

0.38

0.33

0.20

0.23

(0.17 to 0.47)

(0.23 to 0.52)

(0.18 to 0.48)

(0.05 to 0.36)

(0.07 to 0.38)

PCS

0.66^a

0.62^a

0.70^a

0.69^a

0.64^a

(0.54 to 0.78)

(0.49 to 0.74)

(0.59 to 0.82)

(0.57 to 0.81)

(0.51 to 0.76)

MCS

0.28

0.45

0.29

0.13

0.18

(0.13 to 0.43)

(0.31 to 0.59)

(0.14 to 0.44)

(−0.02 to 0.29)

(0.02 to 0.33)

VAS

Pain

−0.49

−0.42

− 0.47

−0.40

− 0.37

(−0.62 to − 0.34)

(− 0.56 to − 0.27)

(−0.61 to − 0.33)

(−0.55 to − 0.25)

(−0.52 to − 0.22)