Table 1 Baseline characteristics of study subjects in 2018 (N = 151)
Overall (N = 151) | GOPC (N = 101) | SOPC (N = 50) | P value† | |
|---|---|---|---|---|
Socio-Demographics (%, n) | ||||
Male | 53.0 (80) | 66.3 (67) | 26.0 (13) | 0.001 |
Female | 47.0 (71) | 33.7 (34) | 74.0 (37) | |
Age (mean ± SD), year | 64.77 ± 9.23 (151) | 66.13 ± 8.42 (101) | 61.52 ± 9.73 (50) | 0.001 |
Education | 0.154 | |||
Primary or less | 45.0 (68) | 52.5 (53) | 30.0 (15) | |
Secondary | 47.0 (71) | 40.6 (41) | 60.0 (30) | |
Tertiary | 7.9 (12) | 6.9 (7) | 10.0 (5) | |
Diagnosis (%, n) | < 0.001 | |||
Back | 35.1 (53) | 16.8 (17) | 72.0 (36) | |
Knee | 58.3 (88) | 78.2 (79) | 18.0 (9) | |
Both | 6.6 (10) | 5.0 (5) | 10.0 (5) | |
Duration of Diagnosis | 0.001 | |||
< 1 year | 15.2 (23) | 17.8 (18) | 10.0 (5) | |
1–< 5 years | 45.0 (68) | 32.7 (33) | 70.0 (35) | |
5–10 years | 17.9 (27) | 17.8 (18) | 18.0 (9) | |
> 10 years | 21.9 (33) | 31.7 (32) | 2.0 (1) | |
Number of other Chronic Diseases | 0.399 | |||
0 | 14.6 (22) | 10.9 (11) | 22.0 (11) | |
1–3 | 72.8 (110) | 76.2 (77) | 66.0 (33) | |
> = 4 | 12.6 (19) | 12.9 (13) | 12.0 (6) | |
WOMAC (mean ± SD, n) | ||||
WOMAC Total score | 27.69 ± 17.09 (149) | 23.98 ± 16.07 (100) | 35.92 ± 17.22 (50) | 0.001 |
WOMAC Pain Subscale score | 6.87 ± 4.06 (151) | 6.11 ± 3.99 (101) | 8.40 ± 3.81 (50) | 0.001 |
WOMAC Stiffness Subscale score | 2.48 ± 2.00 (150) | 1.95 ± 1.84 (100) | 3.54 ± 1.90 (50) | 0.001 |
WOMAC Function Subscale score | 18.45 ± 12.36 (150) | 15.68 ± 11.18 (100) | 23.98 ± 12.84 (50) | 0.001 |
Pain Rating Scale scores (out of 10) | 4.37 ± 2.35 (151) | 3.94 ± 2.45 (101) | 5.24 ± 1.90 (50) | 0.001 |
EQ-5D-5L Dimensions Level % (n) | P value§ | |||
|---|---|---|---|---|
Mobility (% with Limitation)# | 28.4 | 24.7 | 36.0 | 0.074 |
No problems | 25.2 (38) | 26.7 (27) | 22.0 (11) | |
Slight problems | 46.4 (70) | 48.5 (49) | 42.0 (21) | |
Moderate problems | 20.5 (31) | 17.8 (18) | 26.0 (13) | |
Severe problems | 7.9 (12) | 6.9 (7) | 10.0 (5) | |
Extreme problems/unable to | 0 (0) | 0 (0) | 0 (0) | |
Self-care (% with Limitation)# | 7.3 | 6.9 | 8.0 | 0.403 |
No problems | 72.8 (110) | 77.2 (78) | 64.0 (32) | |
Slight problems | 19.9 (30) | 15.8 (16) | 28.0 (14) | |
Moderate problems | 6.6 (10) | 6.9 (7) | 6.0 (3) | |
Severe problems | 0.7 (1) | 0 (0) | 2.0 (1) | |
Extreme problems/unable to | 0 (0) | 0 (0) | 0 (0) | |
Usual activities (% with Limitation)# | 21.9 | 10.9 | 44.0 | < 0.001 |
No problems | 41.7 (63) | 50.5 (51) | 24.0 (12) | |
Slight problems | 36.4 (55) | 38.6 (39) | 32.0 (16) | |
Moderate problems | 17.2 (26) | 6.9 (7) | 38.0 (19) | |
Severe problems | 4.0 (6) | 4.0 (4) | 4.0 (2) | |
Extreme problems/unable to | 0.7 (1) | 0 (0) | 2.0 (1) | |
Pain (% with Limitation)# | 47.7 | 40.6 | 62.0 | 0.007 |
No problems | 9.3 (14) | 13.9 (14) | 0 (0) | |
Slight problems | 43.0 (65) | 45.5 (46) | 38.0 (19) | |
Moderate problems | 35.1 (53) | 30.7 (31) | 44.0 (22) | |
Severe problems | 11.3 (17) | 8.9 (9) | 16.0 (8) | |
Extreme problems/unable to | 1.3 (2) | 1.0 (1) | 2.0 (1) | |
Anxiety/depression (% with Limitation)# | 15.9 | 9.9 | 28.0 | 0.002 |
No problems | 51.0 (77) | 60.4 (61) | 32.0 (16) | |
Slight problems | 33.1 (50) | 29.7 (30) | 40.0 (20) | |
Moderate problems | 11.3 (17) | 7.9 (8) | 18.0 (9) | |
Severe problems | 3.3 (5) | 2.0 (2) | 6.0 (3) | |
Extreme problems/unable to | 1.3 (2) | 0 (0) | 4.0 (2) | |
EQ-5D-5L Utility score (mean ± S.D.) | 0.62 ± 0.26 | 0.67 ± 0.23 | 0.52 ± 0.27 | 0.001 |
EQ-VAS score (mean ± S.D.) | 67.89 ± 17.09 | 71.3 ± 15.78 | 61.06 ± 17.75 | < 0.001 |