Comparation of the perioperative clinical characteristics during total hip arthroplasty of patients with rheumatoid arthritis and ankylosing spondylitis

Table 1 Preoperative data of included patients

	RA (37)	AS (23)	P value	Significance
Age (year)	55.78 ± 9.70	43.30 ± 13.03	P < 0.01	**
Female: Male	24:13	8:15	0.0336	*
BMI (kg/m²)	22.09 ± 2.98	22.02 ± 3.79	0.9368	ns
SBP (mmHg)	132.83 ± 16.50	115.43 ± 20.95	0.0021	**
DBP (mmHg)	79.51 ± 11.15	72.34 ± 9.82	0.0141	*
Barthel index	83.64 ± 16.70	75.43 ± 19.22	0.0859	ns
Caprini score	8.19 ± 0.73	7.35 ± 0.76	P < 0.01	**
ESR (mm/h)	22.75 ± 3.39	20.26 ± 5.87	0.0687	ns
CRP (mg/L)	22.44 ± 8.16	19.69 ± 5.37	0.1146	ns
IL-6 (ng/L)	9.49 ± 2.41	11.25 ± 5.32	0.1406	ns
PCT (ng/mL)	0.08 ± 0.06	0.11 ± 0.08	0.1231	ns
PT (s)	11.93 ± 0.88	12.28 ± 0.91	0.1470	ns
APTT (s)	33.26 ± 4.46	32.12 ± 5.36	0.3980	ns
D dimer (mg/L)	0.48 ± 0.24	0.55 ± 0.18	0.2024	ns

SBP: systolic blood pressure, DBP: diastolic blood pressure, BMI: body mass index
*: P<0.05; **: P<0.01; ns: non-statistical difference

ISSN: 1471-2474