Fast track hip fracture care and mortality – an observational study of 2230 patients

Table 5 Secondary outcome measures

	Conventional treatment group (n^a = 1090)	Fast track group (n^a = 1140)	Between group difference
	% (95% CI ^b)	% (95% CI ^b)	% (95% CI ^b)
Any cause reoperation 30 days	1.7 (1.1 to 2.7)^¥	0.6 (0.2 to 1.3)^¥	−1.1 (− 2.2 to − 0.03)
Any cause reoperation 1 year	5.8 (4.5 to 7.3)	4.3 (3.2 to 5.6)	− 1.5 (− 3.4 to 0.5)
Surgical site infection 30 days^c	2.5 (1.6 to 3.7)	1.8 (1.0 to 2.8)	−0.7 (− 2.2 to 0.7)
Surgical site infection 1 year^{c, d}	3.0 (2.0 to 4.4)	2.0 (1.2 to 3.1)	−1.0 (− 2.7 to 0.5)
Composite 30-day outcome	10.7 (9.0 to 12.7)^#	8.1 (6.6 to 9.8)^#	−2.6 (−5.3 to −0.06)
30-day readmission	12.8 (10.9 to 15.0)	11.7 (9.9 to 13.7)	−1.1 (−4.0 to 1.6)

^aNumber of patients in group
^b95% confidence interval
^cData available for hemiarthroplasty, total hip arthroplasty and sliding hip screws
^dSliding hip screws only followed up for infection for 30 days
^¥Statistically significant difference in unadjusted (Fisher’s exact test, p = 0.017) and adjusted analysis (binary logistic regression) (odds ratio = 0.35 (95% CI: 0.15–0.84), p = 0.019, 0% missing)
^#Statistically significant difference in unadjusted analysis (Fisher’s exact test, p = 0.006)

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