| Follow-up survey |
|
Non-responders |
Responders |
P-value |
| |
N |
Mean (or %) |
SD |
N |
Mean (or %) |
SD |
|
| Oxford hip scale |
Age |
52 |
57 |
11.3 |
57 |
56.5 |
10.3 |
0.792 |
| BMI |
46 |
25.9 |
4.6 |
53 |
26.1 |
4.8 |
0.839 |
| Male % |
31 |
59.6 |
- |
26 |
45.6 |
- |
0.143 |
| KL1 % |
18 |
52.9 |
- |
36 |
72 |
- |
0.07 |
| Numeric pain scale |
Age |
51 |
56.8 |
11.6 |
81 |
57.1 |
9.1 |
0.876 |
| BMI |
46 |
26.3 |
4.3 |
76 |
26 |
4.4 |
0.685 |
| Male % |
31 |
60.8 |
- |
42 |
51.9 |
- |
0.314 |
| KL1 % |
26 |
70.3 |
- |
46 |
64.8 |
- |
0.566 |
| Percentage improvement scale |
Age |
81 |
57.1 |
11.2 |
135 |
56.9 |
10.2 |
0.853 |
| BMI |
69 |
26.2 |
4.1 |
115 |
26.2 |
4.5 |
0.999 |
| Male % |
46 |
56.8 |
- |
78 |
57.8 |
- |
0.887 |
| KL1 % |
37 |
61.7 |
- |
81 |
71.1 |
- |
0.207 |
|
| P-values are for the differences between patients who responded and these who failed to respond to the surveys. For gender and severity, table presents the frequency (N) and percentage (%) of males and KL1 grade respectively (Control groups are females and KL2-4 grade). Frequencies and percentages are not presented for the control groups. SD: standard deviation. KL: Kellgren-Lawrence scale. |
| Table 5: Demographical characteristics of patients who responded and these failed to respond to the follow-up surveys (patients with available baseline data). |
