Table 3.

Correlation analysis between ratios and general clinical statistics of AP patients

Variables	Admission CRP/Alb		Admission Cr/Alb		Preoperative Cr/Alb
	r	P	r	P	r	P
Age	− 0.143	0.149	− 0.107	0.209	0.137	0.276
Gender	− 0.044	0.729	0.068	0.590	− 0.009	0.943
BMI	0.230	0.051	0.073	0.495	− 0.067	0.645
APACHE II	0.176	0.093	0.495	0.000**	0.325	0.012
Admission WBC	0.142	0.171	0.174	0.051	− 0.061	0.648
Admission Hb	0.144	0.153	− 0.065	0.450	− 0.044	0.736
Admission TB	− 0.004	0.966	0.151	0.078	0.116	0.375
Admission BUN	0.087	0.391	0.815	0.000**	0.326	0.010*
Admission Alb	− 0.111	0.264	− 0.221	0.009**	− 0.186	0.140
Admission Cr	0.243	0.013*	0.983	0.000**	0.412	0.001**
Admission CRP	0.959	0.000**	0.182	0.083	− 0.026	0.845
Preoperative Alb	0.284	0.022*	− .046	0.716	− 0.121	0.337
Preoperative Cr	0.048	0.704	0.375	0.002**	0.984	0.000
Preoperative CRP	0.295	0.017*	− 0.123	0.330	− 0.126	0.318
Admission CRP/Alb	/	/	0.241	0.014*	0.005	0.971
Admission Cr/Alb	0.241	0.014*	/	/	0.428	0.000**
Preoperative Cr/Alb	0.005	0.971	0.428	0.000**	/	/
Post-operative complications	0.132	0.295	0.382	0.002**	0.230	0.065
ICU duration	0.294	0.003**	0.055	0.523	− 0.255	0.040*

BMI Body Mass Index, APACHE II Acute Physiology and Chronic Health Evaluation, WBC white blood cell, Hb hemoglobin, TB total bilirubin, BUN blood urea nitrogen, Alb Albumin, Cr creatinine, CRP C-reactive protein, ICU intensive care unit

*Means P < 0.05, **means P < 0.01