Intervention methods Course of disease Number of cases Randomized trial Comparator Intervention time Positive findings Six-character tips >0.5 months 34 Yes Routine treatment, nursing, and rehabilitation 18–24 minutes/time, 1 time/day, 7 days/week, 3 months Six-character tips combined with routine rehabilitation, basic pronunciation training, and traditional breathing exercise can significantly improve pulmonary respiratory function, speech disorders, daily living ability, motor function, balance and coordination, cognitive function, nerve damage, depression, etc. Six-character tips combined with conventional articulation training 0.5–6 months 157 Yes Traditional breathing training and conventional articulation training 20 minutes/time, 1 time/day, 5 days/week, 0.5 month Six-character tips <6 months 60 Yes Routine care for depression after stroke 15–20 minutes/time, 2 times/day, 0.93 month Liu Zi Jue qigong with basic articulation training 0.5–6 months 60 Yes Traditional breathing training + basic articulation training 20 minutes/time, 5 times/week, 0.75 month Six-character tips ≤3 months 84 Yes Routine treatment and care 30 minutes/time, 1 time/day, 5 days/week, 3 months Six-character tips combined with the diaphragm muscle release technique 3–7 months 80 No Routine rehabilitation such as inhalation training 30 minutes/time, 1 time/day, 5 days/week, 2 months Liu Zi Jue qigong combined with conventional rehabilitation training 0.5–6 months 160 Yes Traditional core stability training combined with routine rehabilitation 15 minutes/time, 1 time/day, 5 days/week, 0.5 month Six-character tips combined with inspiratory muscle training 3.61 ± 2.35 75 Yes Routine rehabilitation/routine inspiratory muscle training 30 minutes/time, 1 time/day, 5 days/week, 3 months Liu Zi Jue qigong combined with conventional breathing speech training 4–14 months 50 Yes Conventional breathing speech training 20 minutes/time, 1 time/day, 5 days/week, 1 month Six-character formula respiratory gymnastics 1–12 months 68 Yes Medical treatment, routine rehabilitation, and occupational therapy 30 minutes/time, 1 time/day, 5 days/week, 3 months
