Table 2 Volume – Inpatient outcomes

Colon resections

Characteristics

Overall

N = 1′690¹

≤20

N = 319¹

21–50

N = 626¹

51–80

N = 388¹

> 80

N = 357¹

p-value²

≤20

21–50

51–80

> 80

Inpatient cost

13′596 (10′397) / 10′402

13′215 (9′710) / 9′881

13′517 (9′490) / 11′311

14′056 (11′548) / 11′466

13′574 (11′188) / 9′215

0.053

0.026

0.022

Length of hospital stay

17 (12) / 12

16 (11) / 11

17 (11) / 13

16 (13) / 12

18 (14) / 13

0.079

0.408

0.076

mortality

80 (5%)

18 (6%)

31 (5%)

18 (5%)

13 (4%)

0.513

0.469

0.059

Rectal resections

Characteristics

Overall

N = 709¹

≤10

N = 76¹

11–20

N = 123¹

21–30

N = 151¹

> 30

N = 359¹

p-value²

≤10

11–20

21–30

> 30

Inpatient cost

15′077 (11′264) / 12′637

16′112 (10′407) / 13′223

12′956 (4′542) / 12′373

15′465 (8′407) / 13′497

15′422 (13′770) / 11′592

0.073

0.445

0.507

Length of

hospital stay

18 (13) / 14

19 (12) / 14

17 (11) / 12

18 (11) / 15

18 (15) / 13

0.092

0.950

0.475

Mortality

22 (3%)

4 (5%)

4 (3%)

6 (4%)

8 (2%)

0.856

0.746

0.433

Gastric resections

Characteristics

Overall

N = 188¹

≤10

N = 108¹

> 10

N = 80¹

p-value²

≤10

> 10

Inpatient cost

18′883 (15′332) / 14′089

18′956 (16′884) / 14′145

18′784 (13′051) / 14′053

0.320

Length of hospital stay

20 (15) / 15

20 (17) / 14

19 (13) / 16

0.474

Mortality

3 (2%)

2 (2%)

1 (1%)

0.581

Pancreatic resections

Characteristics

Overall

N = 272¹

≤15

N = 82¹

16–30

N = 77¹

31–40

N = 88¹

> 40

N = 25¹

p-value²

≤15

16–30

31–40

> 40

Inpatient cost

22′084 (13′524) / 19′770

21′421 (12′131) / 20′739

21′907 (10′234) / 19′595

21′989 (11′981) / 20′542

25′143 (26′557) / 16′098

0.706

0.234

0.949

Length of hospital stay

22 (13) / 19

22 (13) / 19

24 (13) / 21

21 (11) / 18

21 (21) / 14

0.122

0.790

0.122

Mortality

19 (7%)

7 (9%)

7 (9%)

4 (5%)

1 (4%)

0.936

0.301

0.646