Table 4.

Comparison of Eastern Cooperative Oncology Group performance status (ECOG PS) effect on symptom item reports and SD of country effects*

Symptom	Pooled dataset, SD of country random effect†	Effect of ECOG PS
		1 vs 0	2 vs 0	3 vs 0	4 vs 0
Fatigue	0.48	0.39	0.86	1.36	1.87
Disturbed sleep	0.51	0.49	0.88	1.13	1.41
Distress	0.55	0.33	0.72	1.02	1.57
Lack of appetite	0.68	0.36	0.78	1.09	1.15
Drowsiness	0.65	0.29	0.67	1.03	1.38
Pain	0.57	0.43	0.94	1.33	1.61
Sadness	0.53	0.34	0.58	0.91	1.20
Dry mouth	0.64	0.30	0.67	0.85	1.18
Shortness of breath	0.56	0.40	0.70	0.96	0.91
Difficulty remembering	0.63	0.18	0.43	0.47	0.87
Numbness or tingling	0.67	0.33	0.67	0.67	1.60
Nausea	0.78	0.29	0.60	0.89	0.52
Vomiting	0.96	0.29	0.65	0.73	0.61

^*Pooled M. D. Anderson Symptom Inventory data.

^†σ = square root of posterior mean of random effects of variance.