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Table 2 Mean BPI-SFa by KPS

From: Patient-reported pain and other quality of life domains as prognostic factors for survival in a phase III clinical trial of patients with advanced breast cancer

KPS

BPI-SF – Pain Interference

BPI-SF – Worst Pain

 

n

Mean (SD)

n

Mean (SD)

Overallb

281

2.2 (2.63)

278

3.2 (3.03)

≤70

23

4.6 (3.67)

23

4.6 (3.60)

80

51

2.8 (2.75)

49

4.1 (2.82)

90

100

1.9 (2.38)

100

3.3 (2.88)

100

107

1.6 (2.19)

106

2.5 (2.94)

  

p < 0.0001c

 

p = 0.0030c

  1. BPI-SF Brief Pain Inventory-Short Form, KPS Karnofsky Performance Status, SD standard deviation
  2. aBPI-SF item scores range from 0 (no pain or interference with daily living) to 10
  3. bOverall patient numbers < 286 because not all answered every BPI-SF item c P-values derived from one-way analysis of variance