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. 2020 Jun 3;8(6):e16203. doi: 10.2196/16203

Table 4.

Comparison of completed vs withdrawn participants on baseline outcome measures.

Baseline measures Completed Withdrawn
Baseline ISWT score (meters)a

Number 16 13

Median (IQR) 255.0 (172.5-332.5) 170.0 (105.0-305.0)

Range 90-550 40-490
Baseline SGRQ scoreb

Number 16 13

Median (IQR) 52.0 (44.2-63.7) 62.4 (52.3-72.3)

Range 32.3-78.1 42.3-79.6
Baseline SGRQ current health question

Number 16 14

Very poor 0 3

Poor 3 7

Fair 10 3

Good 2 1

Very good 1 0
Baseline CHAMPS scorec

Number 16 14

Median (IQR) 2017.3 (1220.5-5237.3) 2468.5 (1193.8-3138.7)

Range 68.0-9683.6 437.7-9644.3
Baseline Ex-SRES score (%)d

Number 16 14

Median (IQR) 54.1 (27.7-72.0) 54.1 (32.4-69.7)

Range 10.6-93.1 13.1-86.3
Baseline PHQ-9 scoree

Number 16 14

Median (IQR) 7.0 (4.3-12.5) 10.0 (5.5-15.0)

Range 2.0-16.0 2.0-21.0
Baseline CAT scoref

Number 16 14

Median (IQR) 23.0 (16.5-25.0) 23.0 (16.8-26.8)

Range 13.0-32.0 12.0-37.0
EQ-5D scoreg

Number 15 14

Median (IQR) 8.0 (7.0-9.0) 8.0 (8.0-10.3)

Range 5.0-11.0 6.0-12.0
EQ-5D scaleh

Number 16 14

Median (IQR) 60.0 (50.0-70.0) 50.0 (40.8-62.5)

Range 28.0-90.0 20.0-90.0

aISWT: incremental shuttle walk test; higher score=greater distance walked.

bSGRQ: St George’s Respiratory Questionnaire; lower score=better quality of life.

cCHAMPS: Community Healthy Activities Model Program for Seniors; higher score=more physical activity.

dEx-SRES: Exercise Self-Regulatory Efficacy Scale; higher score=more exercise-related self-efficacy.

ePHQ-9: Patient Health Questionnaire for Depression; higher score=more depressed.

fCAT: Chronic Obstructive Pulmonary Disease Assessment Test; higher score=more COPD symptoms.

gEQ-5D-3L: EuroQol 5 Dimensions 3 Level score; higher score=worse health.

hEQ-5D-3L scale: EuroQol 5 Dimensions 3 Level scale; scored 0-100, where 100=best health they can imagine.