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Table 4 Known-group validity by ECOG PS at various timepoints

From: Evaluation of the psychometric properties and minimally important difference of the MD Anderson Symptom Inventory for malignant pleural mesothelioma (MDASI-MPM)

  

MDASI-MPM symptomsa

MDASI-MPM interferencea

Sample size

Fully active

Restricted active

95% CI on the difference

Fully active

Restricted active

95% CI on the difference

Baseline

239

1.7 (1.4)

2.5 (1.7)

−1.2 to − 0.4

2.2 (2.1)

3.8 (2.7)

−2.2 to − 0.9

Cycle 2 Day 1

208

1.7 (1.4)

2.3 (1.5)

−1.0 to − 0.1

2.5 (2.3)

3.3 (2.5)

−1.4 to − 0.02

Cycle 3 Day 1

166

1.8 (1.4)

2.3 (1.6)

−1.1 to − 0.06

2.6 (2.2)

3.4 (2.5)

− 1.6 to − 0.03

Cycle 4 Day 1

135

1.9 (1.4)

2.2 (1.6)

−0.8 to 0.24

2.6 (2.3)

3.2 (2.6)

−1.5 to 0.3

Cycle 5 Day 1

112

2.1 (1.5)

2.2 (1.6)

−0.7 to 0.5

2.9 (2.4)

3.3 (2.7)

−1.4 to 0.6

Safety follow-up

95

2.5 (1.1)

2.5 (1.6)

−1.1 to 1.0

3.9 (1.8)

3.6 (1.5)

−1.1 to 1.7

  1. aMDASI-MPM symptoms = the average of the 13 core and 6 MPM-specific items. MDASI-MPM interference = the average of the 6 interference items
  2. Abbreviations: CI confidence interval, ECOG PS Eastern Cooperative Oncology Group performance status, MDASI-MPM MD Anderson Symptom Inventory for malignant pleural mesothelioma