Table 1.
Cross-tabulation of the variables "General Improvement" and "Present Pain Status" at the 4th visit. Percentages in brackets.
| GENERAL IMPROVEMENT | No pain | Mild pain | Moderate pain | Severe pain | Unknown | Total |
| Definitely better | 395 (61) |
222 (34) |
27 (4) |
2 (< 1) |
6 (1) |
652 (100) |
| Probably better | 17 (12) |
77 (57) |
39 (29) |
2 (1) |
1 (1) |
136 (100) |
| Unchanged | 0 (0) |
8 (16) |
28 (55) |
15 (29) |
0 (0) |
51 (100) |
| Probably worse | 0 (0) |
0 (0) |
5 (56) |
3 (33) |
1 (11) |
9 (100) |
| Definitely worse | 0 (0) |
0 (0) |
0 (0) |
0 (0) |
1 (100) |
1 (100) |
| Unknown | 2 (1) |
1 (1) |
0 (0) |
0 (0) |
132 (98) |
135 (100) |
| Total | 414 (42) |
308 (31) |
99 (10) |
22 (2) |
141 (14) |
984 (100) |