Table 1.
Characteristics for analytic sample included in the baseline analysis to predict radiographic and pain progression (n=550).
| Label | Level | Cases (radiographic and pain progression) | Controls | |||
|---|---|---|---|---|---|---|
| All three groups | Radiographic progression only | Pain progression only | Neither radiographic or pain progression | |||
| Age | 61.9 (8.8) | 61.6 (8.8) | 63.5 (8.2) | 59.3 (8.7) | 61.9 (9.0) | |
| Sex | Male | 73 (42%) | 150 (40%) | 50 (54%) | 34 (35%) | 66 (35%) |
| Female | 100 (58%) | 227 (60%) | 43 (46%) | 64 (65%) | 120 (65%) | |
| BMI | 30.8 (4.9) | 30.7 (4.8) | 30.7 (4.7) | 31.1 (5.0) | 30.5 (4.7) | |
| Baseline KLG | 1 | 22 (13%) | 50 (13%) | 14 (15%) | 13 (13%) | 23 (12%) |
| 2 | 76 (44%) | 209 (55%) | 44 (47%) | 59 (60%) | 106 (57%) | |
| 3 | 75 (43%) | 118 (31%) | 35 (38%) | 26 (27%) | 57 (31%) | |
| White Race | No | 36 (21%) | 76 (20%) | 10 (11%) | 28 (29%) | 38 (20%) |
| Yes | 137 (79%) | 301 (80%) | 83 (89%) | 70 (71%) | 148 (80%) | |
| Baseline pain medications | No | 115 (66%) | 275 (73%) | 74 (80%) | 63 (64%) | 138 (74%) |
| Yes | 58 (34%) | 102 (27%) | 19 (20%) | 35 (36%) | 48 (26%) | |
| Baseline WOMAC Pain | 10.2 (12.7) | 12.5 (16.3) | 15.1 (18.6) | 9.3 (13.1) | 13.0 (16.3) | |
| Baseline minJSW | 3.8 (1.4) | 3.9 (1.0) | 3.9 (1.1) | 4.0 (1.0) | 3.9 (1.0) | |