Figures
- Figure 1–
Effect of inspiratory muscle strength and endurance training on maximal inspiratory strength (PI,max). #: excluded from the analyses.
- Figure 2–
Effect of general exercise reconditioning (GER) plus inspiratory muscle training versus GER alone on inspiratory muscle strength. PI,max: maximal inspiratory pressure.
- Figure 3–
Effect of inspiratory strength and endurance training on functional exercise capacity (6-min walk distance).
- Figure 4–
Effect of general exercise reconditioning (GER) plus inspiratory muscle training versus GER alone on functional exercise performance. PI,max: maximal inspiratory pressure. #: result from random effects model.
Tables
- Table 1– Overall results of the meta-analysis
Outcome measures Subjects n Q-statistic I2 SES 95% CI p-value (z-statistic) Natural units PI,max 32 57.8 46 0.73 0.53–0.93 0.001 +13 cmH2O RMET 14 47.3 73 1.05 0.62–1.49 0.001 +261 s ITL 11 16.8 3 0.98 0.72–1.25 0.001 +13 cmH2O MVV 4 1.2 0 0.23 -0.27–0.72 0.373 +3 L·min−1 Functional exercise capacity 22 14.3 0 0.28 0.12–0.44 0.001 6MWD: +32 m 12MWD: +85 m Endurance exercise capacity 3 4.6 57 0.72 -0.12–1.55 0.087 +198 s V′O2,max L·min−1 9 6.0 0 -0.13 -0.38–0.11 0.293 -0.04 L·min−1 V′O2,max mL·min−1·kg−1 5 5.0 20 0.3 -0.02–0.63 0.067 +1.3 mL·min−1·kg−1 V′E,max 9 5.5 0 -0.04 -0.3–0.2 0.696 -0.7 L·min−1 Wmax 10 5.1 0 0.07 -0.16–0.3 0.562 +1.7 W Dyspnoea Borg score 14 15.6 17 -0.45 -0.66– -0.24 0.001 -0.9 Dyspnoea TDI 4 6.3 52 1.58 0.86–2.3 0.001 +2.8 Dyspnoea CRQ-Dyspnoea 9 16.6 52 0.34 -0.03–0.71 0.068 +1.1 Quality of life CRQ 9 10.4 20 0.34 0.09–0.60 0.007 +3.8 CRQ fatigue 10 8.2 0 0.27 0.03–0.50 0.024 +0.9 CRQ emotion 10 7.6 0 0.19 -0.04–0.42 0.107 +0.5 CRQ mastery 10 8.5 0 0.09 -0.14–0.33 0.432 -0.005 n = 32. SES: summary effect size; PI,max: maximal inspiratory pressure; RMET: respiratory muscle endurance test: ITL: incremental threshold loading; MVV: maximal voluntary ventilation; V′O2,max: maximal oxygen uptake; V′E,max: maximal minute ventilation; Wmax: maximal power output; TDI: transition dyspnoea index; CRQ: chronic respiratory questionnaire.
Supplementary material
Files in this Data Supplement:
- Supplementary material -
Methods
Quality of life
Table S1
Figure S1
Figure S2
Figure S3
Table S2
Table S3
Table S4
- Supplementary material -
