Table 1.
Demographic and clinical data for TKA patients
| Variable | TKA (discontented) (n = 44) |
SD | CI | TKA (total) (n = 356) |
SD | CI | p-value |
|---|---|---|---|---|---|---|---|
| Gender, n (%) | 0.83 | ||||||
| Female | 28 (63.6) | 218 (61.2) | |||||
| Male | 16 (36.4) | 138 (38.8) | |||||
| Age, range (mean) | 0.47 | ||||||
| Female | 59–88 (70.2) | 6.8 | 66–71 | 46–91 (70) | 8.2 | 68–70 | |
| Male | 59–78 (69.9) | 6.4 | 66–72 | 48–84 (71) | 8.0 | 66–69 | |
| BMI, mean | 28.3 | 4.2 | 26.5–30 | 29.5 | 4.5 | 29–30 | |
| ASA, n (%) | 0.77 | ||||||
| I | (12)26 | (77)21 | |||||
| II | (26)60 | (224)63 | |||||
| III | (6)14 | (55)15 | |||||
| Background, n (%) | 0.55 | ||||||
| Swedish | 41 (93) | 341 (96) | |||||
| Non-Swedish | 3 (7) | 15 (4) | |||||
| Hospital, n (%) | 0.93 | ||||||
| Hospital 1 | 25 (56.8) | 203 (57) | |||||
| Hospital 2 | 16 (36.3) | 130 (36.5) | |||||
| Hospital 3 | 3 (6.8) | 23 (6.5) | |||||
| Type of prosthesis, n (%) | 0.81 | ||||||
| Genesis II TKA | 25 (56.8) | 201 (56.5) | |||||
| NexGen, cemented TKA | 18 (41) | 141 (39.8) | |||||
| NexGen, non-cemented TKA | 1 (2.2) | 11 (3.1) | |||||
| Journey | 0 (0) | 2 (0.6) | |||||
| Side, n (%) | 0.19 | ||||||
| Right | 26 (59) | 182(52) | |||||
| Left | 18 (41) | 173(48) |
TKA Total knee arthroplasty, SD Standard deviation, CI 95% confidence interval, BMI Body mass index, ASA American society of anesthesiologist score (I = normal health, II = mild systemic disease, III = severe systemic disease), Genesis II TKA (Smith & Nephew), NexGen TKA (Zimmer & Biomet), Journey (Smith & Nephew)