C-reactive protein as a parameter of surgical trauma: CRP response after different types of surgery in 349 hip fractures

Figures & data

Table 1.  Patient data

	n	Age (range)	Mean length of hospital Stay (days)
Screws	44	66 (28–95)	13
Dynamic hip screw	66	69 (21–94)	12
Proximal femur nail	100	79 (33–100)	13
Hemiarthroplasty	52	84 (57–97)	15
Total hip arthroplasty	87	77 (43–97)	15
Total	349	76 (21–100)	13

CRP response after different fracture treatments for proximal femur fractures.

Table 2.  Peak CRP levels on the second postoperative day (mg/dL)

	Mean	95% CI	Inter quatil	Median
Screws	8.7	5.6–13	6.2	5.7
Dynamic hip screw	12	9.3–15	12	9.8
Proximal femur nail	14	12–15	6.8	14
Hemiarthroplasty	16	14–18	7.0	17
Total hip arthroplasty	16	14–17	9.1	15

Table 3.  P-values, second postoperative day

	Total hip arthroplasty	Hemiarthro- plasty	Proximal femur nail	Dynamic hip screw
Screws	< 0.001	< 0.001	< 0.001	0.01
Dynamic hip screw	0.01	0.03	0.1
Proximal femur nail	0.2	0.1
Hemiarthroplasty	0.8