| Studies | Early stage | Advanced stage | Overall |
---|---|---|---|---|
As single tool | ||||
 EORTC QLQ-CX24 | 32 | 2836 | 1350 | 4982 |
 FACT-Cx | 14 | 706 | 1603 | 2309 |
EORTC QLQ-Cx24 in combination with a | ||||
 EQ-5D & SF-36 | 1 | 247 | 39 | 291 |
 SF-36 | 1 | 110 | 28 | 173 |
 FACT Sp | 1 | 19 | 91 | 110 |
FACT-Cx in combination with b | ||||
 NTX | 3 | 0 | 1108 | 1108 |
 PROMIS | 3 | 294 | 108 | 422 |
 SF-12 | 2 | 231 | 154 | 385 |