Impact of cigarette smoking on recurrence of hyperlipidemic acute pancreatitis

Table 1 Clinical characteristics of the hyperlipidemic acute pancreatitis patients

Clinical	Non-smokers	Current-smokers	Ex-smokers	P value
parameter	No. or mean	No. or mean	No. or mean
N	41	36	11
Age (yr)	42.7 ± 2.0	39.1 ± 1.2	40.0 ± 2.2	0.446
Gender (M/F)	20/21	36/0	10/1	< 0.001a
Heavy alcohol drinking	4	12	2	0.037a
Smoking pack-years	0	13.5 ± 2.2	7.8 ± 2.9	< 0.001a
History of hyperlipemia	39	30	8	0.084
History of fatty liver	16	15	4	0.943
History of diabetes mellitus	10	14	5	0.258
History of hypertension	8	3	2	0.364
History of AP	13	20	3	0.065a
Leukocyte (× 109/L)	12.5 ± 0.5	13.1 ± 0.7	12.3 ± 1.1	0.506
Platelet count (× 109/L)	185.2 ± 11.8	171.7 ± 8.2	175.6 ± 20.1	0.680
Serum TG (mmol/L)	18.3 ± 1.7	15.1 ±1.5	17.1 ± 2.9	0.358
Serum CHOL (mmol/L)	9.0 ± 0.6	8.4 ± 0.6	8.0 ± 0.8	0.316
Serum amylase (U/L)	569.3 ± 104.5	507.7 ± 111.4	629.8 ± 121.9	0.270
Serum lipase (U/L)	1297.1 ± 228.1	874.1 ± 170.2	1214.4 ± 582.0	0.406
Serum calcium (mmol/L)	2.0 ± 0.04	2.1 ± 0.04	2.0 ± 0.08	0.197
SIRS	17	17	8	0.182
BISAP score	0.8 ± 0.1	0.8 ± 0.2	1.4 ± 0.3	0.224
Hospitalization (d)1	10.9 ± 0.8	8.6 ± 0.7	11.9 ± 1.6	0.015a
Recurrence of AP	4	18	1	< 0.001a
Repeated episodes of AP	16	28	4	0.001a

^aP < 0.05, current vs non-smokers;

¹Exclude those discharged without medical advice or transferred to a different hospital. AP: Acute pancreatitis; TG: Total triglyceride; CHOL: Cholesterol; SIRS: Systemic inflammatory response syndrome; BISAP: Bedside index for severity in acute pancreatitis.