Table 4 Definition of QOL in 46 randomized controlled trials reporting on QOL
Number of trials | |||||||
|---|---|---|---|---|---|---|---|
Before 1993 | 1994–1998 | 1999–2003 | |||||
English Reports | Japanese Reports | English Reports | Japanese Reports | English Reports | Japanese Reports | Total | |
Investigators' definition of QOL | 0 (0.0) | 1 (25.0) | 1 (12.5) | 1 (16.7) | 3 (14.3) | 0 (0.0) | 6 (13.0) |
General definition of QOL | 0 (0.0) | 0 (0.0) | 1 (12.5) | 2 (33.3) | 4 (19.0) | 2 (50.0) | 9 (19.6) |
No definition | 3 (100.0) | 3 (75.0) | 6 (75.0) | 3 (50.0) | 14 (66.7) | 2 (50.0) | 31 (67.4) |
Total | 3 (100.0) | 4 (100.0) | 8 (100.0) | 6 (100.0) | 21 (100.0) | 4 (100.0) | 46 (100.0) |