Table 1 Clinical demographic data between the 2 groups

From: A precise navigation device for fixation of patella fractures with modified K-wire tension band:a comparative retrospective study

Variables P-MTBW(54) C-MTBW(58) Test statistics P value
Age (years) 38.5 ± 12.7 40.5 ± 12.0 − 1.05 0.297
Gender
 Male 35 33 0.735 0.391
 Female 19 25
Operation time 39.5 ± 4.7 53.7 ± 6.8 − 11.3 P < 0.01
No. of fluoroscopy 4.2 ± 1.4 8.3 ± 2.7 − 10.1 P < 0.01
Complications 9 11 0.101 0.751