Pulmonary Complications after Surgery for Rectal Cancer in Elderly Patients: Evaluation of Laparoscopic versus Open Approach from a Multicenter Study on 477 Consecutive Cases

Table 1

Demographics and disease-related data in open versus laparoscopic group.

	Open	Laparoscopic	value
Age	77.15 ± 6.17	78.02 ± 5.44	0.100
Gender			0.196
Male	143	109
Female	92	133
ASA			0.205
1	1	2
2	98	123
3	118	103
4	18	14
Weight habit			0.209
Normal	119	139
Overweight	86	82
Obesity	30	21
Smoke			0.109
No	158	179
Yes	77	63
COPD			0.564
No	206	217
Yes	29	25
Hypertension			0.145
No	165	154
Yes	70	88
Diabetes			0.111
No	185	175
Yes	50	67
T stage			0.156
T0	8	14
T1	13	16
T2	54	48
T3	138	153
T4	22	11
Tumor localization			0.147
Upper	37	46
Middle	95	111
Low	103	85
Neoadjuvant (pts)	98	80	0.254
Type of surgery			0.512
Abdominoperineal resection	27	16
Rectal resection	208	226