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  Indian J Med Microbiol
 

Figure 2: Comparison of respiratory function in spinal cord injury patients undergoing oral motor respiratory exercise and vocal intonation therapy or respiratory training. Intervention group: oral motor respiratory exercise and vocal intonation therapy; control group: respiratory training. (A–H) Vital capacity, total lung capacity, inspiratory capacity, residual volume, forced expiratory volume in one second (FEV1), forced vital capacity (FVC), FEV1/FVC, and maximal mid-expiratory flow rate (MMF). Data are expressed as the mean ± SD (n = 9) and were analyzed by two-way analysis of variance. *P < 0.05, **P < 0.01. The baseline is indicated by 0.

Figure 2: Comparison of respiratory function in spinal cord injury patients undergoing oral motor respiratory exercise and vocal intonation therapy or respiratory training. 
Intervention group: oral motor respiratory exercise and vocal intonation therapy; control group: respiratory training. (A–H) Vital capacity, total lung capacity, inspiratory capacity, residual volume, forced expiratory volume in one second (FEV1), forced vital capacity (FVC), FEV1/FVC, and maximal mid-expiratory flow rate (MMF). Data are expressed as the mean ± SD (<i>n</i> = 9) and were analyzed by two-way analysis of variance. *<i>P</i> < 0.05, **<i>P</i> < 0.01. The baseline is indicated by 0.