A retrospective cohort study on prevalence of postoperative complications in comminuted patellar fractures: comparisons among stabilized with Cannulated-Screw, Kirschner-Wire, or Ring-Pin Tension Bands

Table 1 Demographic and Clinical Characteristics of 334 Study Participants, Stratified by Fixation Type^a

Characteristic	MKTB (n = 148)	CSTB (n = 83)	RPTB (n = 103)	P value†
Mean Age (yr)	53.7 ± 13.3‡	51.9 ± 13.9	52.5 ± 13.6	0.602
Gender
Male	63 (42.6)	32 (38.6)	41 (39.8)	0.816
Female	85 (57.4)	51 (61.4)	62 (60.2)	0.816
Comorbidities
T2DM	33 (22.3)	18 (21.7)	30 (29.1)	0.380
History of CVA	5 (3.4)	3 (3.6)	5 (4.9)	0.828
Smoking	30 (20.3)	17 (20.5)	25 (24.3)	0.722

^aData are presented as the number of patients, with the percentage in parentheses, unless otherwise noted. †One-way ANOVA. ‡Standard deviation. MKTB modified Kirschner wire tension band; CSTB cannulated screw tension band; RPTB ring pin tension band. T2DM type 2 diabetes mellitus; CVA cerebrovascular accident

ISSN: 1471-2474