Table 6 Type of evaluated measure used in 46 randomized controlled trials reporting on QOL
Number of trials (%) | |||
|---|---|---|---|
Measure | English Reports | Japanese Reports | Total |
Established QOL instruments | 11 (34.4) | 1 (7.1) | 12 (26.1) |
Modifications of established QOL instruments | 2 (6.3) | 4 (28.6) | 6 (13.0) |
Non-established QOL instruments (references quoted) | 5 (15.6) | 2 (14.3) | 7 (15.2) |
Original QOL instrument (non-established) | 3 (9.4) | 5 (35.7) | 8 (17.5) |
Symptoms or performance status only | 9 (28.1) | 1 (7.1) | 10 (21.7) |
Unclear measure | 2 (6.3) | 1 (7.1) | 3 (6.5) |
Total | 32 (100.0) | 14 (100.0) | 46 (100.0) |