Vascular calcification does not predict anastomotic leak or conduit necrosis following oesophagectomy

Table 2 Patient demographics and comorbidities

	n	Statistic
Age at surgery (yr)	413	64.8 ± 9.5
Gender	413
Female		87 (21.1)
Male		326 (78.9)
BMI (kg/m2)	402	26.8 ± 4.9
ASA	397
1		78 (19.6)
2		222 (55.9)
3		89 (22.4)
4		8 (2.0)
ECOG status	324
0		146 (45.1)
1		142 (43.8)
2		36 (11.1)
Ischemic heart disease	412
No		360 (87.4)
Yes		52 (12.6)
Renal impairment	412
No		408 (99.0)
Yes		4 (1.0)
Diabetes	412
No		364 (88.3)
Yes		48 (11.7)
COPD	412
No		381 (92.5)
Yes		31 (7.5)
Previous cancer	412
No		393 (95.4)
Yes		19 (4.6)
Significant smoking history	412
No		354 (85.9)
Yes		58 (14.1)
Alcohol misuse/ heavy drinker	412
No		404 (98.1)
Yes		8 (1.9)

Data are reported as n (%), mean ± SD, or as median (IQR), as applicable. BMI: Body mass index; ASA: American Society of Anaesthesiologists grade; ECOG: Eastern Cooperative Oncology Group Performance Status; COPD: Chronic obstructive pulmonary disease.