Different Kinetics of Perioperative CRP after Hip Arthroplasty for Elderly Femoral Neck Fracture with Elevated Preoperative CRP
Table 1
Patient demographics and baseline characteristics.
Elevated CRP group (CRP > 10 mg/L)
Nonelevated CRP group (CRP ≤ 10 mg/L)
value
Number
116
124
Age, (%)
0.06
60–69
13 (11.2%)
28 (22.6%)
70–79
52 (44.8%)
48 (38.7%)
≥80
51 (44%)
48 (38.7%)
Sex; Female, (%)
86 (74.1%)
100 (80.6%)
0.29
BMI (kg/m2)
22.8 ± 3.5
0.23
Preexisting comorbidities
Hypertension
80 (69%)
83 (66.9%)
0.84
Diabetes
64 (55.2%)
73 (58.9%)
0.65
Number of preexisting comorbidities ≥ 3
41 (35.3%)
50 (40.3%)
0.51
General anesthesia, (%)
64 (55.2%)
61 (49.2%)
0.43
Cemented type implant (%)
29 (25%)
28 (22.6%)
0.77
Duration of Foley insertion,
4.6 ± 5.7
2.8 ± 4.9
0.04
Time interval from injury to operation,
4.3 ± 1.4
3 ± 1.4
0.008
Blood transfusion (pint)
3.5 ± 2.4
3.2 ± 2.2
0.395
Operation time (min)
103.7 ± 31.8
108.1 ± 31.3
0.252
Preoperative lab
WBC
8596.2 ± 2869.1
8374.6 ± 3218.6
0.57
%
75.7 ± 8.9
73.3 ± 12.3
0.08
ESR
40.1 ± 25.7
25.4 ± 18.4
<0.0001
CRP
53 ± 38.2
3.5 ± 6.7
<0.0001
Values are expressed as mean ± standard deviation. BMI, body mass index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; %, neutrophil count; WBC, white blood cell count; value estimated using -test or chi-square test. Values of are displayed in bold.
