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Table 3 Use of baseline data in the analysis of pain outcome

From: Data in longitudinal randomised controlled trials in cancer pain: is there any loss of the information available in the data? Results of a systematic literature review and guideline for reporting

Baseline data

Collected

91 % (67/74)

Description of the inclusion

Mentioned in Methods section

40 % (27/67)

Baseline measure included

60 % (40/67)

Not included

21 % (14/67)

Unknown

19 % (13/67)

Method of inclusion

Difference from baseline (cross sectional)

76 % (13/17)

Covariate (Cross sec. and long.)

29 % (8/28)

Time-point (Long.)

30 % (7/23)

Used to compute a dichotomised outcome

41 % (7/17)