Using anatomical landmarks to calculate the normal joint line position in Chinese people: an observational study

Table 6 Mean ratios and gender difference

	Total (n = 215)	Male (n = 110)	Female (n = 105)	p
IPPDJL/FW	0.165 ± 0.066	0.154 ± 0.071	0.177 ± 0.058	0.008
TTDJL/FW	0.295 ± 0.040	0.298 ± 0.047	0.291 ± 0.031	0.199
FHDJL/FW	0.232 ± 0.046	0.231 ± 0.051	0.234 ± 0.040	0.526
LEDJL/FW	0.297 ± 0.024	0.295 ± 0.024	0.298 ± 0.024	0.371
LEPJL/FW	0.281 ± 0.025	0.280 ± 0.025	0.282 ± 0.025	0.464
MEDJL/FW	0.327 ± 0.024	0.325 ± 0.024	0.329 ± 0.024	0.209
MEPJL/FW	0.390 ± 0.022	0.389 ± 0.022	0.391 ± 0.023	0.431
ATDJL/FW	0.558 ± 0.020	0.557 ± 0.021	0.559 ± 0.019	0.710
ATPJL/FW	0.313 ± 0.028	0.310 ± 0.029	0.315 ± 0.026	0.203

p was compared between genders
FW femoral width, AT adductor tubercle, ME medial epicondyle, LE lateral epicondyle, TT tibial tubercle, FH fibular head, IPP the inferior pole of the patella, DJL distance from landmarks to the distal joint line, PJL distance from landmarks to posterior joint line

ISSN: 1749-799X