Skip to main content

Table 3 PRO clinical trials characteristics

From: The impact of patient-reported outcome (PRO) data from clinical trials: a systematic review and critical analysis

Trial characteristics Number of trials, (%)
Trial phase
 I 0
 I/II 1 (1.4)
 II 1 (1.4)
 III 24 (34)
 Other 3 (5.7)
 Not specified 40 (57)
Leading study centre
 UK 62 (89)
 International 7 (11)
Trial design
 International multicentre study 21(30)
PRO outcome
 Primary outcome 17 (24)
 Secondary outcome 35 (50)
 Both 11 (15)
PRO measures used
 SF-36 17 (24)
 EQ-5D 12 (17)
 HADS 9 (13)
 VAS 9 (13)
 EORTC QLQ-C30 3 (4)
 Other 70a
  1. aNumber of different PRO measures identified – eCase studies characteristics