Table 2. Relationship between laparoscopic year of surgeon and AL.

Laparoscopic year of surgeon	Patient without AL	Patient with AL	P value
Open	4,049 (93.6%)	275 (6.4%)	0.009
1	74 (88.1%)	10 (11.9%)
2	151 (94.4%)	9 (5.6%)
3	195 (97.0%)	6 (3.0%)
4	129 (92.1%)	11 (7.9%)
5	139 (93.9%)	9 (6.1%)
6	95 (97.9%)	2 (2.1%)
7	62 (93.9%)	4 (6.1%)

AL, anastomotic leakage.