Table 8.

Overall complications, univariate analysis

Variable	Total no of patients	No of patients	Complication	p value	CI (95%)
Age
≥60	1709	155	30	0.214	0.857	1.991
<60		1553	125
Gender
F	1709	1393	210	0.064	0.9833	1.848
M		316	61
BMI
≥50	1707	337	48	0.360	0.610	1.197
<50		1370	289
COPD
Yes	1709	63	18	0.006	1.255	3.866
No		1646	45
Diabetes
Yes	1708	490	87	0.678	0.774	1.482
No		1281	403
NIDDM
Yes	1708	288	51	0.349	0.840	1.641
No		1420	237
IDDM
Yes	1708	209	37	0.438	0.794	1.703
No		1499	172
Dyslipidemia
Yes	1706	398	81	0.004	1.140	2.032
No		1308	317
Hypertension
Yes	1709	1007	130	0.012	1.076	1.812
No		702	572
OSA Y/N
Yes	1538	597	146	0.904	0.741	1.303
No		941	795
Sever OSAS (AHI > 30)
Yes	1529	305	51	0.542	0.792	1.559
No		1221	257
Psychiatric disease
Yes	1708	316	58	0.182	0.903	1.721
No		1391	258
Trombo-embolic event
Yes	1709	58	8	0.664	0.396	1.802
No		1651	50
GERD
Yes	1636	554	92	0.507	0.832	1.451
No		1082	462
Gastritis
Yes	1135	217	39	0.483	0.779	1.695
No		918	178
Hiatal Hernia
Yes	1140	210	31	0.500	0.570	1.316
No		930	179
H.Pylori
Yes	1193	246	34	0.413	0.566	1.236
No		947	212
Alcohol
Yes	1640	641	99	0.900	0.773	1.340
No		999	542
Smoking
Yes	1457	332	59	0.191	0.899	1.703
No		1325	273
NSAIDS
Yes	1704	125	21	0.776	0.659	1.749
No		1579	104
Corticosteroids
Yes	1704	110	22	0.226	0.830	2.196
No		1594	88
Anticoagulants
Yes	1704	121	26	0.083	9.49	2.355
No		1583	95
Cholecystectomy
Yes	1709	201	37	0.293	0.837	1.802
No		1508	164
Revisional surgery
Yes	1709	317	68	0.003	1.177	2.174
No		1392	249

Bold values indicate statistical analysis at p < 0.05

CI confidence interval, BMI body mass index, NIDDM non-insulin depended diabetes mellitus, IDDM insulin depended diabetes mellitus, OSAS obstructive sleep apnea, AHI apnea hypopnea index, GERD gastroesophageal reflux disease H. Pylori helicobacter pylori, COPD chronic obstructive pulmonary disease, NSAIDS non-steroidal anti-inflammatory drugs