Translation, Cross-Cultural Adaptation and Validation of the Chinese Version of the High Activity Arthroplasty Score

Figures & data

Table 1 Demographic and Clinical Characteristics of Participants

		Participants (n=104)
Age (SD, range)		61.3 years (3.4, 51 to 65)
Body mass index (SD, range)		25.7 kg/m^2 (3.7, 15.2 to 36.5)
Sex	Male	28 (27%)
	Female	76 (73%)
Occupation	Heavy physical worker	2 (2%)
	Light physical worker	7 (7%)
	Retired	9 (9%)
	Farmer	86 (83%)
Residence status	Living alone	3 (3%)
	With spouse	66 (63%)
	With children	35 (34%)
Education	Primary school or below	51 (49%)
	Middle school	35 (34%)
	High school	10 (10%)
	University or above	8 (8%)

Abbreviations: SD, standard deviation; n, number.

Figure 1 Bland–Altman plot of HAAS-C for TKA patients.

Table 2 Ratings on a 4-Item Scale for HAAS-C by ten Doctor (Rated 3 or 4)

Item	Walking	Running	Stair Climbing	Activity Level	S-CVI (un)
Expert1	3	4	3	4	1
Expert2	4	4	3	2	0.75
Expert3	4	4	4	4	1
Expert4	4	3	3	2	0.75
Expert5	4	3	3	3	1
Expert6	3	2	3	3	0.75
Expert7	3	4	4	4	1
Expert8	3	2	4	3	0.75
Expert9	3	4	4	4	1
Expert10	3	3	3	3	1
No.In Agreement	10	8	10	8	S-CVI (ave) = 0.9
I-CVI	1	0.8	1	0.8

Abbreviations: S-CVI (un), scale level content validity index (universal); S-CVI (ave), scale content validity index (average).

Table 3 PROMs with Mean, SD, Range, Floor and Ceiling Effects and Correlation to HAAS-C

Scales	Score
	Mean ± SD (range)	Floor/ceiling effects in %	Spearman’s rho	Correlation
HAAS	7.8 ± 1.9 (4–16)	0/0	–	–
WOMAC	39.1 ± 25.5 (11–165)	0/0	0.69*	Strong
Pain	4.9 ± 4.9 (0–28)	13.5/0	0.56*	Medium
Stiffness	4.5 ± 3.2 (0–16)	13.5/0	0.48*	Medium
ADL	21.9 ± 17.7 (1–109)	0/0	0.65*	Strong
EQ-5D-5L	0.9 ± 0.1 (0.1–1)	40.4/0	0.43*	Medium
OKS	19.3 ± 5.7 (12–43)	1/0	0.53*	Medium

Note: *p < 0.001.

Abbreviations: HAAS, Chinese version of High-Activity Arthroplasty Score; WOMAC, Western Ontario and McMaster University index; ADL, Activities of Daily Living; EQ-5D-5L, Five-level EuroQoL Group’s five-dimension questionnaire; OKS Oxford knee score.

Figure 2 Distribution of the HAAS-C.