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. 2015 Feb 11;10:339–345. doi: 10.2147/COPD.S75749

Table 2.

Characteristics of the 3-week breathing program and inspiratory fractions of oxygen (FiO2) during the breathing cycles of the hypoxia (n=8) and control (n=8) groups

Week 1 Week 2 Week 3
Session number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Breathing cycles per session 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5
Duration of breathing cycles (minutes) 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5
FiO2 hypoxia group (%) 15 15 15 15 15 13 13 13 13 13 12 12 12 12 12
FiO2 control group (%) 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21