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. Author manuscript; available in PMC: 2013 Feb 28.
Published in final edited form as: J Pain Symptom Manage. 2010 Jun 25;40(2):191–199. doi: 10.1016/j.jpainsymman.2009.12.010

Table 4.

Known-Group Validity, Mean (SD)

ECOG PS at T1 ECOG PS at T2
Good (0, 1) Poor (≥ 2) P Good (0, 1) Poor (≥ 2) P
Five most severe symptoms
 24-hour recall 2.19 (2.07) 4.00 (2.42) 0.017 2.23 (2.12) 4.44 (2.17) 0.007
 7-day recall 2.32 (2.07) 4.62 (2.25) 0.002 2.47 (2.10) 4.82 (2.34) 0.005
Interference
 24-hour recall 1.46 (1.86) 3.71 (2.07) 0.001 1.65 (1.99) 3.78 (2.01) 0.0052
 7-day recall 1.50 (1.82) 3.58 (2.25) 0.003 1.55 (1.75) 4.05 (2.33) 0.0008