No delayed bone healing in Swedish male oral snuffers operated on by the hemicallotasis technique: A cohort study of 175 patients

Figures & data

Table 1. Patient characteristics (n = 175)

	Non-smoker/non-snuffer n = 13	Snuffer n = 21	Smoker n = 41
Age (years), mean (SD)	54 (9)	50 (8)	51 (7)
BMI (kg/m2), mean (SD)	29 (3.2)	29 (4.5)	28 (3.3)
OP indication
Osteoarthritis (n)	108	17	38
Sequelae fracture (n)	2	2	2
Reconstruction (n)	2	2	0
Sequelae HTO a (n)	1	0	1
Bilateral surgery
simultaneously (n)	17	4	4
Preoperative HKA
angle, mean (SD)	170 (6.6)	174 (7)	171 (5.5)
BMI: Body mass index;

Table 2.  Complications

	Non smoker/non-snuffer n = 113	Snuffer n = 21	Smoker n = 41
Delayed healing	10	0	8
Nonunion	2	0	1
Septic arthritis	4	0	1
DVT	3	0	2
Interrupted treatment	0	0	0
Other a	6	1	0

^a including replacement of pins and difficulties in correction.