Medial meniscus injury changed plantar pressure distributions and decreased posture stability especially in those with varus alignment: a cross-sectional study based on a wearable smart plantar pressure system

Table 5 Comparison of TTB during SLS between patients and healthy controls

Parameters	Control group (n = 29)	MM with neutral alignment (n = 29)	MM with varus alignment (n = 25)	P value
TTB absolute_ML (s)	0.74 ± 0.35	0.49 ± 0.36^a	0.51 ± 0.39^b	0.029
TTB absolute_AP (s)	1.14 ± 0.69	0.76 ± 0.66	0.88 ± 0.90	0.167
TTB mean_ML (s)	5.09 ± 3.33	5.00 ± 2.91	5.75 ± 4.09	0.718
TTB mean_AP (s)	8.56 ± 4.21	7.00 ± 4.58	6.13 ± 4.88	0.182
TTB SD_ML (s)	6.90 ± 4.82	7.28 ± 5.44	6.82 ± 5.52	0.946
TTB SD _AP (s)	10.76 ± 6.75	9.33 ± 6.91	7.88 ± 6.120	0.332

TTB: time-to-boundary; ML: medial-lateral, AP: anterior-posterior, SD: standard deviation. a: significant differences between the control group and neutral alignment group; b: significant differences between the control group and varus alignment group

ISSN: 1749-799X