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Table 2 Functional and Quality of Life Measurements (n = 300)

From: The 6-minute walk test predicts mortality in a pulmonary nontuberculous mycobacteria-predominant bronchiectasis cohort

Measurement N (%)
6-min walk test–Median [IQR]  
 6MWD (m) 505 [441.5–576.8]
 Distance Saturation Product (m%) 479.8 [427.7–555.8]
St. George’s Respiratory Questionnaire–Median [IQR]  
 Total Score 30 [15.8–48.2]
 Symptom Score 44.5 [30.4–62.3]
 Activity Score 36.4 [13–59.5]
 Impact Score 23.3 [10.3–38.2]
Dyspnea Scale  
 Grade 1 132 (44)
 Grade 2 100 (33)
 Grade 3 32 (11)
 Grade 4 3 (1)
 Grade 5 3 (1)
Pulmonary Symptom Severity Score–Median [IQR]  
 Frequency 9 [5.2–11]
 Severity 6 [4–8]
  1. Missing data: 6MWD: n = 18, 6 MW DSP: 41, SGRQ: total score n = 20, symptom score n = 20, activity score n = 19, impact score n = 19, Dyspnea scale: n = 30, PSSS-severity: 40, PSSS-frequency: 36
  2. 6MWD 6-Minute walk distance, IQR interquartile range [25th percentile–75th percentile]