Table 3.

Clinical Knee Society scores over time for 128 patients (171 TKAs)

Time	Knee score	Function score	Pain score	Stair score	Walking score
Preoperative	54 (11) [14–79]	36 (20) [0–100]	30 (10) [0–50]	30 (11) [0–50]	21 (10) [0–50]
6 months	75 (12) [42–100]	59 (26) [0–100]	47 (4) [20–50]	34 (8) [0–50]	42 (13) [0–50]
1 year	80 (13) [59–100]	69 (24) [20–100]	48 (6) [20–50]	37 (10) [0–50]	47 (9) [10–50]
3 years	87 (13) [55–100]	82 (21) [30–100]	48 (4) [20–50]	41 (10) [0–50]	49 (5) [30–50]
5 years	90 (14) [32–100]	83 (18) [30–100]	49 (4) [10–50]	40 (9) [30–50]	49 (6) [20–50]
7 years	90 (11) [32–100]	81 (18) [30–100]	49 (6) [10–50]	40 (9) [30–50]	48 (7) [10–50]
10 years	88 (9) [54–100]	86 (15) [45–100]	49 (5) [20–50]	41 (9) [30–50]	48 (7) [20–50]
12 years	89 (9) [54–100]	91 (10) [50–100]	49 (2) [30–50]	42 (9) [30–50]	50 (0) [30–50]
15 years	86 (9) [62–98]	83 (18) [45–100]	49 (5) [20–50]	39 (10) [30–50]	45 (11) [20–50]
17 years	84 (9) [52–99]	80 (22) [20–100]	48 (4) [30–50]	39 (10) [15–50]	42 (14) [10–50]
20 years	85 (11) [30–98]	75 (25) [30–100]	49 (6) [10–50]	37 (12) [0–50]	40 (14) [10–50]
p value	0.0075	0.0005	> 0.05	< 0.0001	0.7412

Values are expressed as mean, with SD in parentheses and range in brackets.