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Table 2 Effects of a 12-week supervised BFR training program on health-related quality of life, limitation of daily activities and laboratory parameters in patients with polymyositis and dermatomyositis

From: Safety and possible effects of low-intensity resistance training associated with partial blood flow restriction in polymyositis and dermatomyositis

Variable PRE POST ES % P-value (pre- to post-test)
SF-36 physical function 57.5 ± 23.2 80.4 ± 11.6 1.03 39.82 0.003*
SF-36 role physical 31.3 ± 42.8 62.5 ± 39.2 0.76 99.68 0.041*
SF-36 bodily pain 59.4 ± 11.4 86.9 ± 14.8 2.52 46.29 0.002*
SF-36 general health 71.4 ± 20.1 83.8 1 ± 5.6 0.65 17.36 0.003*
SF-36 vitality 54.6 ± 20.4 84.2 ± 9.3 1.52 54.21 0.003*
SF-36 social function 65.6 ± 33.7 89.6 ± 17.5 0.74 36.58 0.017*
SF-36 role emotional 27.8 ± 44.6 77.8 ± 38.5 1.17 179.85 0.014*
SF-36 mental health 62.3 ± 20.8 79.0 ± 16.9 0.83 26.80 0.007*
HAQ 1.5 ± 1.9 0.6 ± 0.6 -0.49 -60.00 0.004*
VAS patient 3.4 ± 1.4 1.6 ± 1.2 -1.51 -52.94 0.008*
VAS physician 2.6 ± 1.2 1.2 ± 0.6 -1.21 -53.84 0.004*
  1. PRE (baseline) and POST (after the intervention) values are presented as mean ± SD. BFR, low-intensity resistance training combined with partial blood flow restriction; PM, polymyositis; DM, dermatomyositis; HAQ, health assessment questionnaire; VAS patient, patient-reported visual analog scale; VAS physician, physician-reported visual analog scale. *P <0.05 when compared with baseline assessments.