Association between anesthesia technique and complications after hip surgery in the elderly population

Table 4 Primary and secondary outcomes

	Spinal anaesthesia (n = 206)		General anaesthesia (n = 103)		P value
	n/mean	%/SD	n/mean	%/SD
Length of hospital stay (d)	12.54	4.58	13.31	5.05	0.212
90-d readmission	20	9.7	11	10.7	0.789
Clavien-Dindo score					0.583
1	126	61.2	65	63.1
2	69	33.5	30	29.1
3	1	0.5	0	0
4	10	4.9	8	7.8
5	0	0	0	0
Renal function
GLU (mmoL l-1)1	8.06	2.77	7.40	2.36	0.006
Urea (mmoL l-1)	7.34	3.27	7.46	3.73	0.943
Cr (μmoL l-1)	92.43	59.39	83.47	36.25	0.822
eGFR (mL min-1/1.73 m2)	63.87	21.54	65.67	20.54	0.656
ALB (g)	31.28	3.28	32.01	3.92	0.148
Routine blood
WBC (109 l-1)1	10.76	3.16	10.00	2.77	0.033
NEUT (%)	82.41	6.08	81.38	6.16	0.170
RBC (1012 l-1)	3.31	0.55	3.84	5.57	0.753
Hb (g l-1)	95.07	15.17	95.98	15.41	0.624
HCT (%)	29.15	4.84	29.60	4.71	0.437
PLT (109 l-1)	234.14	110.26	225.33	88.61	0.486
PCT (%)	0.33	0.40	0.19	0.15	0.187
Coagulation
PT (s)	14.02	1.20	14.48	1.99	0.233
PT% (%)	88.54	11.54	85.59	16.74	0.170
INR (R)	1.09	0.09	1.13	0.20	0.420
FIB (g l-1)1	5.10	1.11	4.70	1.26	0.029
APTT (s)	40.04	5.34	40.04	5.86	0.925
DDi (ng l-1 FEU)1	5.9	4.07	4.25	3.98	0.003
Others
TnT (μg l-1)	28.08	280.69	2.54	2.94	0.521
BNP (pg m l-1)1	187.98	286.26	340.96	457.10	0.009
NTProBNP (pg m l-1)	1250.66	1361.23	1067.31	1920.33	0.233
hsCRP (mg l-1)1	84.71	46.71	60.39	40.72	0.002
ERS (mm h-1)	52.78	29.49	51.21	69.59	0.214

¹P < 0.05. GLU: Glucose; CRE: Creatinine; eGFR: Estimated glomerular filtration rate; ALB: Albumin; WBC: White blood cell; NEUT: Neutrophil; RBC: Red blood cell; Hb: Haemoglobin; HCT: Haematocrit; PLT: Platelet; PT: Prothrombin time; INR: International Normalised Ratio; FIB: Fibrinogen; APTT: Activated partial thromboplastin time; DDi: D-Dimer; TnT: Troponin T; BNP: Brain natriuretic peptide; NTProBNP: N-terminal pro brain natriuretic peptide; hsCRP: Highly sensitive C-reactive protein; ESR: Erythrocyte sedimentation rate; PCT: Procalcitonin.