Weight-adjusted low molecular weight heparin with surgery morning dose administration: Impact on hip hemiarthroplasty early infections

Table 3 Characteristics of the cases with early postoperative infection, n (%)/mean ± SD

Measurement period	2007 to June 15, 2019 (n = 19)	After June 15, 2019 (n = 14)	P value
Age (years)	80.96 ± 12.1	78.6 ± 8.5	P = 0.5 (NS, t test1)
BMI	27.9 ± 7.1	25.6 ± 7	P = 0.36 (NS, t test)
Diabetes mellitus	4 (21)	7 (50)	P = 0.136 (NS, Fisher’s exact test)
Chronic kidney disease	5 (26.3)	3 (21.4)	P = 1 (NS, Fisher’s exact test)
Time of presentation (weeks)	5 ± 2.5	4.5 ± 2.6	P = 0.58 (NS, t test)

¹Unpaired t test.

BMI: Body mass index; NS: Not significant.