highly significantP = 0.0002
There was a highly significant difference of the mean internal carpal tunnel ratio between male patients and controls (male patients: 0.42 ± 0.05; male controls: 0.34 ± 0.04, P = 0.0002) as well as between female patients and controls (female patients: 0.39 ± 0.06; female controls: 0.35 ± 0.04, P = 0.034). 3.1.2.