Table 1.
Characteristics of participants at baseline (N=58).
| Variable | Pain Guard (n=31) | Control (n=27) | |
| Age (years), mean (SD) | 51.10 (8.98) | 53.96 (8.58) | |
| Sex (female), n (%) | 14 (45) | 6 (22) | |
| Primary diagnosis, n (%) |
|
|
|
|
|
Nasopharyngeal cancer | 2 (6) | 1 (4) |
|
|
Cervical cancer | 1 (3) | N/A |
|
|
Esophagus cancer | N/Aa | 6 (22) |
|
|
Stomach cancer | 5 (16) | 3 (11) |
|
|
Column cancer | 9 (29) | 5 (19) |
|
|
Lung cancer | 7 (23) | 9 (33) |
|
|
Breast cancer | 3 (10) | N/A |
|
|
Ovarian cancer | 1 (3) | N/A |
|
|
Bladder cancer | 2 (6) | N/A |
|
|
Pancreatic cancer | N/A | 1 (4) |
|
|
Osteosarcoma | N/A | 2 (7) |
|
|
Soft tissue sarcoma | 1 (3) | N/A |
| Therapeutic regimens, n (%) |
|
|
|
|
|
Oxycodone | 7 (23) | 4 (15) |
|
|
Morphine | 5 (16) | 3 (11) |
|
|
Methadone | 13 (42) | 12 (44) |
|
|
Tramadol | 6 (19) | 8 (29.6) |
aN/A: not available.