Table 2.
Continuous/ordinal variables description.
| All subjects | Female, n (%) |
Male, n (%) |
|
|---|---|---|---|
| 88 (84.6) | 16 (15.4) | ||
| Age, years, mean (SD) | 73.94 (8.01) | 74.02 (8.10) | 73.5 (7.72) |
| Education, years, mean (SD) | 7.02 (5.52) | 6.85 (5.36) | 7.94 (6.44) |
| Mini-Mental State Examination, mean (SD) | 24.98 (3.98) | 24.60 (4.11) | 27.06 (2.29) |
| BDI, mean (SD) | 13.00 (6.59) | 13.92 (6.45) | 7.94 (4.99) |
| BPI, mean (SD) |
4.59 (1.45) |
4.69 (1.48) |
4.05 (1.15) |
| SF -12, mean (SD) | |||
| Physical Component Summary (PCS) | 32.82 (8.98) | 31.71 (8.54) | 38.95 (9.11) |
| Mental Component Summary (MCS) |
48.52 (11.06) |
47.63 (10.89) |
53.44 (11) |
| WOMAC, mean (SD) | |||
| Pain subscale (0–20) | 9.82 (3.53) | 10.10 (3.56) | 8.25 (2.96) |
| Rigidity subscale (0–8) | 3.53 (2.04) | 3.64 (2.10) | 2.94 (1.57) |
| Function subscale (0–68) | 34.84 (12.15) | 36.16 (11.83) | 27.56 (11.67) |
| Total score (0–96) |
48.09 (15.55) |
49.78 (15.36) |
38.75 (13.52) |
| VAMS, mean (SD) | |||
| Anxiety | 4.16 (2.83) | 4.41 (2.81) | 2.77 (2.59) |
| Depression | 2.49 (2.93) | 2.80 (3.00) | 0.81 (1.81) |
| Stress | 3.41 (2.97) | 3.71 (3.00) | 1.76 (2.20) |
| Sleepiness |
2.90 (2.92) |
3.04 (2.98) |
2.14 (2.52) |
| Von-frey MDT, light touch, median (IQR) | |||
| Knee | 0.60 (1.00) | 0.60 (1.00) | 1.00 (0.98) |
| Hand |
0.40 (0.84) |
0.40 (0.64) |
0.80 (1.12) |
| Von-frey MDT, pinprick, median (IQR) | |||
| Knee | 4.00 (6.00) | 4.00 (6.00) | 4.00 (13.60) |
| Hand |
8.00 (24.00) |
8.00 (24.00) |
9.00 (21.00) |
| Von-frey MPT, median (IQR) | |||
| Knee | 26 (172.00) | 26.00 (91.00) | 43.00 (293.00) |
| Hand |
300.00 (274.00) |
300.00 (274.00) |
300.00 (274.00) |
| Von-frey NRS, mean (SD) | |||
| Knee | 3.08 (1.94) | 3.23 (1.95) | 2.31 (1.75) |
| Hand |
1.76 (1.94) |
1.86 (2.03) |
1.20 (1.26) |
| PPT, mean (SD) | |||
| Knee | 2.06 (1.21) | 1.94 (1.13) | 2.68 (1.47) |
| Hand |
2.72 (1.14) |
2.69 (1.17) |
2.90 (0.98) |
| CPM PPT, mean (SD) | |||
| Knee | 18.51 (29.32) | 19.75 (28.30) | 11.72 (34.62) |
| Hand |
1.87 (26.03) |
0.98 (25.80) |
6.77 (27.56) |
| CPM P, mean (SD) | |||
| Knee | 9.94 (15.06) | 10.83 (15.68) | 5.07 (10.02) |
| Hand | 3.38 (24.61) | 2.75 (25.31) | 6.83 (20.67) |
Abbreviations: BDI: Beck Depression Inventory; BPI: Brief Pain Inventory; SF -12: 12-Item Short Form Health Survey scale; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index; VAMS: Visual Analogic Mood Scale; MDT: Mechanical Detection Threshold; MPT: Mechanical Pain Threshold; NRS: Numeric Rating Scale; PPT: Pain Pressure Threshold; CPM: Conditioned Pain Modulation; CPM-P: Conditioned Pain Modulation - pain; IQR: Interquartile Range; SD: Standard Deviation.