Total Joint Replacement in the Past Does Not Relate to a Deteriorated Functional Level and Health Status in the Oldest Old

Table 2

Health and functional characteristics of participants with and without a total joint replacement in the past.

	Total joint replacement		𝑃 value
	Yes (𝑁=38)	No (𝑁=561)	Crude	Gender adjusted
Physical functioning
Able to walk (number, %)	34 (90)	492 (88)	0.75	0.69
Gait speed (m/s, mean, SD)^£	0.42 (0.18)	0.53 (0.22)	0.003	0.006
5x stand up test (sec, median, IQR)^§	15.9 (12.0–18.8)	13.6 (10.8–17.8)	0.31	0.31^¥
Grip strength (kg, mean, SD)	21.4 (9.0)	22.7 (8.9)	0.41	0.69
Physical activity score (points, median, IQR)	3 (1–6)	3 (0–4)	0.12	0.11^¥
GARS
ADL (points, median, IQR)	10.5 (9–14)	10 (9–15)	0.68	0.74^¥
IADL (points, median, IQR)	18.5 (13–25)	18 (12–27)	0.93	0.98^¥
Joint complaints
Pain hip (number, %)	15 (40)	91 (16)	0.004	0.007
Pain knee (number, %)	16 (42)	123 (22)	0.05	0.06
Stiffness hip (number, %)	8 (21)	70 (13)	0.63	0.59
Stiffness knee (number, %)	11 (29)	94 (17)	0.50	0.55
Self reported status
Cantril ladder (point, mean, SD)	7.8 (1.5)	7.5 (1.8)	0.35	0.35
Self reported health “good” (number, %)	26 (88)	392 (70)	0.71	0.70

^¥Adjustment for gender after log transformation of nonparametric variables. ^£𝑁=526, 𝑁 with prosthesis = 34. ^§𝑁=450,𝑁 with prosthesis = 28. SD: standard deviation. IQR: interquartile range. GARS: Groningen Activity Restriction Scale. (I) ADL: (Instrumental) activities of daily living.