Table 3.
Patient demographics for the National Joint Registry-PROMs a linked population studied, by implant group
| Cemented |
Hybrid |
Cementless |
Resurfacing |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Best | Others | Best | Others | Best | Others | Best | Others | p-value b | |
| Number (%) | 111 (6) | 52 (3) | 118 (6) | 213 (11) | 159 (8) | 1,117 (56) | 187 (9) | 57 (3) | |
| Age, median (range) | 56 (37–60) | 57 (48–60) | 54 (30–60) | 56 (28–60) | 57 (39–60) | 54 (25–60) | 52 (32–60) | 54 (35–60) | < 0.001 |
| Females, n (%) | 70 (63) | 37 (72) | 73 (62) | 147 (69) | 82 (52) | 671 (60) | 8 (4) | 41 (72) | < 0.001 |
| ASA c | |||||||||
| 1 | 34 (31) | 11 (21) | 44 (37) | 75 (35) | 40 (25) | 377 (34) | 84 (45) | 24 (42) | < 0.001 |
| 2 | 63 (57) | 33 (64) | 67 (57) | 123 (58) | 109 (69) | 687 (62) | 101 (54) | 31 (54) | |
| 3+ | 14 (13) | 8 (15) | 7 (6) | 15 (7) | 10 (6) | 53 (5) | 2 (1) | 2 (4) | |
| BMI, mean (SD) (range) d | 29 (6) | 30 (6) | 30 (5) | 30 (6) | 31 (5) | 30 (6) | 29 (4) | 29 (6) | |
| (19–59) | (19–49) | (20–47) | (18–50) | (17–46) | (18–65) | (18–45) | (19–43) | 0.7 | |
a
PROMs: patient-reported outcome measures;
b
Statistical notes: 1-way ANOVA was used for normally distributed data, Kruskal-Wallis test for non-normally distributed data, and chi-squared test for proportions;
c
ASA: American Society of Anaesthesiologists;
d
BMI: body mass index, kg/m2 (data based on 1,293 procedures (64%)).