Skip to main content
. 2020 Jun 9;22(6):e16056. doi: 10.2196/16056

Table 1.

Characteristics of the entire study population.

Patient characteristics Study population (N=22)
Gender (male), n (%) 17 (77)
ASAa classification, n (%)

Ib 5 (22)

IIc 10 (45)

IIId 7 (31)
Age (years), mean (SD) 64.6 (6.7)
BMIe, mean (SD) 26.5 (4.4)
Comorbidities, n (%)

Cardiovascular 7 (31)

COPDf 0 (0)

DM IIg 2 (9)

Cigarette smoking 2 (9)
Pulmonary function (percent predicted), mean (SD)

FVCh 116.1 (18.7)

FEV1i 109.0 (19.3)

IVCj 109.2 (30.1)
Surgical procedure, n (%)

Transhiatal open 0 (0)

Transhiatal minimally invasive 1 (5)

Transthoracal open 0 (0)

Transthoracal minimally invasive 20 (91)

Esophageal resection with colon interposition 1 (5)
Clavien-Dindo postoperative complications, n (%)

No complications 2 (9)

Grade 1 2 (9)

Grade 2 4 (18)

Grade 3a 3 (14)

Grade 3b 4 (18)

Grade 4a 7 (32)

Grade 4b 0 (0)

Grade 5 0 (0)

aASA: American Society of Anesthesiologists.

bI: healthy person.

cII: mild systemic disease.

dIII: severe systemic disease.

eBMI: body mass index is calculated as weight in kilograms divided by height in meters squared.

fCOPD: chronic obstructive pulmonary disease.

gDM II: diabetes mellitus type 2.

hFVC: functional vital capacity.

iFEV1: forced expiratory volume in the first second of expiration.

jIVC: inspiratory vital capacity.