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Table 3 Hospital Volume - Follow-Up cost

From: Does hospital volume affect outcomes after abdominal cancer surgery: an analysis of Swiss health insurance claims data

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

Outpatient cost3

18′189 (18′607) / 11′286

16′728 (16′670) / 10′615

18′972 (19′600) / 11′425

20′409 (20′546) / 12′692

15′793 (15′837) / 10′135

0.200

0.018

0.125

Medication cost3

6′685 (10′921) / 2′725

6′340 (9′598) / 2′679

7′304 (12′463) / 2′798

7′653 (11′773) / 2′887

4′930 (7′641) / 2′382

0.603

0.345

0.046

Inpatient cost3

7′121 (12′317) / 2′272

5′853 (9′481) / 982

7′067 (12′648) / 2′544

7′510 (12′252) / 2′754

7′882 (13′845) / 2′374

0.137/0.575

0.297/0.060

0.441/0.007

Mortality

260 (15%)

52 (16%)

106 (17%)

58 (15%)

44 (12%)

0.878

0.697

0.485

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

Outpatient cost3

22′142 (18′675) / 15′927

22′502 (19′891) / 15′515

20′950 (17′444) / 16′209

25′249 (19′272) / 19′853

21′179 (18′516) / 14′927

0.488

0.300

0.477

Medication cost3

6′995 (10′918) / 2′862

6′195 (9′678) / 2′261

5′996 (9′048) / 3′060

8′107 (12′406) / 3′411

7′010 (11′037) / 2′780

0.900

0.689

0.931

Inpatient cost3

10′566 (13′681) / 6′732

12′827 (18′931) / 7′327

8′990 (9′400) / 6′043

11′940 (16′847) / 7′281

10′083 (12′101) / 6′618

0.059/0.666

0.159/0.082

0.130/0.052

Mortality

84 (12%)

15 (20%)

18 (15%)

17 (11%)

34 (10%)

0.666

0.082

0.051

Gastric resections

Characteristics

Overall

N = 1881

≤10

N = 1081

> 10

N = 801

p-value2

10

> 10

Outpatient cost3

19′603 (16′368) / 15′887

18′584 (16′054) / 15′800

20′961 (16′798) / 16′133

0.642

Medication cost3

7′500

(9′679) / 3′552

7′066 (9′138) / 3′762

8′078 (10′397) / 3′417

0.465

Inpatient cost3

8′959 (24′482) / 2′880

11′213 (31′501) / 3′066

5′954 (8′139) / 2′661

0.923/0.310

Mortality

27 (14%)

16 (15%)

11 (14%)

0.888

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

Outpatient cost3

29′313 (18′863) / 27′111

27′702 (22′681) / 20′451

28′291 (19′090) / 24′070

32′009 (16′007) / 30′133

28′508 (13′796) / 28′253

0.577

0.061

0.430

Medication cost3

11′924 (11′356) / 9′277

10′506 (12′245) / 7′033

12′204 (13′279) / 8′728

13′480 (9′503) / 10′930

10′450 (7′572) / 8′630

0.189

0.010

0.592

Inpatient cost3

8′486

(9′063) / 6′118

5′946 (6′676) / 3′886

9′739 (9′803) / 7′689

9′879 (10′047) / 8′167

8′147 (8′885) / 5′486

0.213/0.034

0.821/0.001

0.845/0.313

Mortality

92 (34%)

28 (34%)

26 (34%)

31 (35%)

7 (28%)

0.699

0.704

0.575

  1. 1 Indicated parameters: Mean (St.dev.) / median; n (%)
  2. 2 P values are based on the GEE models. P-values for inpatient follow-up cost are displayed for both, the binomial and gaussian models. Detailed results of the models are documented in the Appendix. Reference categories are shown in italics
  3. 3 Only complete observations over the entire period are displayed (e.g., no deaths)