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Table 1 Comparison among the four groups regarding the latency period and amplitude of EMG at different detection times

From: Electrophysiological and pathological changes in the vastus medialis and vastus lateralis muscles after early patellar reduction and nerve growth factor injection in rabbits with patellar dislocation

Index Group 1 Group 2 Group 3 Group 4
Latency period (ms) Amplitude (mV) Latency period (ms) Amplitude (mV) Latency period (ms) Amplitude (mV) Latency period (ms) Amplitude (mV)
1 month
VM 1.15 ± 0.07αβ 12.23 ± 2.12αβγ 1.30 ± 0.17βγ 10.50 ± 1.13βγ 1.52 ± 0.13γ 8.12 ± 0.95γ 1.04 ± 0.12 15.21 ± 1.47
VL 1.24 ± 0.15αβ 14.89 ± 1.19αβγδ 1.32 ± 0.14βγ 12.99 ± 1.29βγ 1.46 ± 0.09γδ 9.12 ± 0.30γδ 1.07 ± 0.12 16.18 ± 1.45
3 months
VM 1.05 ± 0.16αβ 14.33 ± 1.94αβ 1.24 ± 0.18βγ 11.35 ± 0.88βγ 1.62 ± 0.14γ 7.12 ± 1.33γ 0.91 ± 0.12 15.41 ± 1.44
VL 1.11 ± 0.91αβ 16.29 ± 1.17αβ 1.31 ± 0.21βγ 13.88 ± 1.24βγ 1.58 ± 0.94γ 8.22 ± 0.36γ 0.94 ± 0.16 17.23 ± 1.31
  1. α P < 0.05 versus Group 2 in the same month; β P < 0.05 versus Group 3 in the same month; γ P < 0.05 versus Group 4 in the same month; δ P < 0.05 versus 3 months in the same group