Preoperative respiratory muscle training combined with aerobic exercise improves respiratory vital capacity and daily life activity following surgical treatment for myasthenia gravis

Table 1 Demographic and surgical characteristics of patients in the SG and CG

Variables	SG	CG	p
n	40	40
Age (years)	39.33 ± 12.81	42.94 ± 9.57	0.438
Sex, M/F	19/21	17/23	0.653
Height (cm)	162.33 ± 6.13	160.50 ± 7.27	0.445
Weight (kg)	55.86 ± 6.58	51.50 ± 7.08	0.085
BMI (kg/m²)	21.37 ± 2.89	19.98 ± 2.19	0.159
MGFA classification
MGFA I	12 (30.0%)	14 (35.0%)	0.733
MGFA IIA	18 (45.0%)	15 (37.5%)	0.660
MGFA IIB	10 (25.0%)	11 (27.5%)	0.846

BMI, body mass index; CG, control group; SG, studied group
Sex distribution in the two groups was compared using the Pearson chi-square test. All other variables were compared by t-tests.表1: 两组间术前比较

ISSN: 1749-8090