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Table 3 Known group validity of MFSI-SF according to ECOG performance status, cancer staging, co-morbidity, pain and insomnia status

From: Psychometric properties and measurement equivalence of the Multidimensional Fatigue Syndrome Inventory- Short Form (MFSI-SF) amongst breast cancer and lymphoma patients in Singapore

Subscales Median scores (IQR) Breast cancer stagea EORTC “Did you feel depressed” item 24 score EORTC “Have you had trouble sleeping” item 11 scoreb EORTC “Have you had pain” item 9 score
1–2 (n = 168) 3–4 (n = 73) Score difference 1–2 (n = 232) 3–4 (n = 13) Score difference 1–2 (n = 189) 3–4 (n = 56) Score difference 1–2 (n = 220) 3–4 (n = 26) Score difference
General 3.00 (1.00, 5.00) 5.00 (1.00, 9.00) 2.00# 3.00 (1.00, 6.00) 10.00 (8.50, 16.50) 7.00# 2.00 (0.50, 5.00) 6.00 (3.00, 11.75) 4.00# 3.00 (1.00, 5.75) 9.00 (4.00, 14.25) 6.00#
Physical 2.00 (1.00, 5.75) 4.00 (1.50, 6.50) 2.00# 2.00 (1.00, 5.75) 9.00 (6.00, 13.00) 7.00# 2.00 (0.00, 4.50) 6.00 (3.00, 9.00) 4.00# 2.00 (1.00, 5.00) 8.50 (4.00, 15.00) 6.50#
Emotional 1.00 (0.00, 5.00) 2.00 (0.00, 5.00) 1.00 1.00 (0.00, 5.00) 12.00 (9.00, 13.00) 11.00# 1.00 (0.00, 5.00) 4.00 (1.00, 8.75) 3.00# 1.00 (0.00, 5.00) 6.50 (2.00, 10.50) 5.50#
Mental 1.00 (0.00, 5.00) 2.00 (0.00, 5.50) 1.00 1.50 (0.00, 4.00) 10.00 (5.50, 13.50) 8.50# 1.00 (0.00, 4.00) 2.50 (0.25, 7.75) 1.50# 1.50 (0.00, 4.00) 5.00 (0.75, 9.25) 3.50#
Vigour 14.00 (8.00, 19.00) 14.00 (10.00, 18.50) 0.00 14.00 (9.25 19.00) 4.00 (1.50, 8.50) − 10.00# 15.00 (10.00, 19.00) 12.00 (6.00, 16.50) − 3.00# 14.00 (9.00, 19.00) 11.00 (6.00, 15.25) − 3.00#
Total MFSI-SF score − 3.00 (− 15.00, 9.00) − 1.00 (− 11.00, 13.00) 2.00 − 3.00 (− 15.00, 8.75) 35.00 (30.00, 54.50) 38.00# − 5.00 (− 15.00, 7.00) 9.50 (− 5.75, 34.75) 14.50# − 4.00 (−15.00, 8.00) 17.00 (1.00, 36.75) 21.00#
  1. MFSI-SF Multidimensional Fatigue Symptom Inventory - Short Form, EORTC QLQ-C30 European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire 30
  2. #Denotes statistically significance difference (P < 0.05)
  3. aData missing for 5 patients
  4. bData missing for 1 patient