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Table 1 Description of the case flow and case types of the 30 sampled operating rooms

From: Evaluation of a pulsed xenon ultraviolet disinfection system to decrease bacterial contamination in operating rooms

OR

PX-UV cycle time (minutes)

Mean c.f.u. before PX-UV

Mean c.f.u. after PX-UV

Total number of cases during the day

Consecutive case type

Last case type of the day before PX-UV

1

1

0.6

0.8

3

Laparotomy; Incision and Drainage; Mastectomy

Mastectomy

2

1

4.2

1.4 ↓

2

Wide Local Excision; Neck Dissection

Neck Dissection

3

1

1.2

1.6

3

Laparoscopic Nephrectomy; Laparoscopic Adrenalectomy

Partial Nephrectomy

4

1

2.3

1.4 ↓

3

Mastectomy, Wide Local Excision

Excision of lesion on back

5

1

3.2

1.4 ↓

1

Laminectomy with stabilization

Laminectomy with stabilization

6

1

2.8

0.4 ↓

2

Nephrectomy

Diagnostic Laparostomy

7

1

6.2

2.2 ↓

2

Thyroid with Neck Dissection

Closure of enterostomy

8

1

2.2

2.6

2

Parotidectomy

Examination under Anaesthesia with biopsies

9

1

4.2

3.6 ↓

1

Removal of tibial nail hardware and complex closure

Removal of tibial nail hardware & complex closure

10

1

1.0

1.6

3

Insertion of Port-A-Cath

Insertion of Port-A-Cath

11

2

0.0

0.0 ↓

1

Partial Excision of genitalia with reconstruction

Partial Excision of genitalia with reconstruction

12

2

1.0

1.2

2

closure of enterostomy

Partial colectomy

13

2

1.8

2.2

1

Laparoscopic Gastrectomy

Laparoscopic Gastrectomy

14

2

1.4

0.6 ↓

2

Tandem and Ovoid insertion

Tandem and Ovoid insertion

15

2

1.0

0.6 ↓

1

Partial Lobectomy Liver and Hysterectomy

Partial Lobectomy Liver and Hysterectomy

16

2

1.4

0.8 ↓

2

Diagnostic Lap with Central Venous Catheter insertion

Diagnostic Laparotomy with CVC insertion

17

2

2.2

0.4 ↓

2

Experimental Laparoscopy with bowel anastomosis

Excision of groin lymph node

18

2

2.6

1.6 ↓

1

Proctectomy, Hysterectomy and reconstruction

Proctectomy, Hysterectomy and reconstruction

19

2

11.8

0.8 ↓

2

Lap Hysterectomy

Lap Hysterectomy

20

2

1.4

0.4 ↓

3

Insertion of central line

Thoracoscopy with segmental lung resection

21

8

1.2

0.6 ↓

1

Craniotomy

Craniotomy

22

8

3.2

1.0 ↓

2

Laparoscopic liver resection

Closure of enterostomy and Laparoscopic liver

23

8

3.2

0.8 ↓

2

Port-A-Cath insertion

Diagnostic Laparotomy with liver biopsies

24

8

4.0

0.6 ↓

2

Mastectomy with reconstruction

Segmental Mastectomy

25

8

10.8

1.6 ↓

1

Mastectomy with reconstruction

Mastectomy with reconstruction

26

8

1.4

0.0 ↓

3

Diagnostic Laparostomy with Hysterectomy; Incision and Drainage cyst

Cystoscopy with biopsies

27

8

0.8

0.2 ↓

2

Laparoscopic Salpingo-Oophorectomy

Diagnostic Laparotomy with biopsies

28

8

2.2

0.6 ↓

2

Thyroidectomy

Mastectomy

29

8

7.8

2.6 ↓

1

Partial colectomy with nephrectomy

Partial colectomy with nephrectomy

30

8

7.6

0.5 ↓

1

Thoracotomy with Lobectomy and Pulmonary Arterial reconstruction

Thoracotomy with Lobectomy and Pulmonary Arterial reconstruction

  1. Abbreviations: OR, Operating Room; PX-UV, pulsed xenon ultraviolet; c.f.u., Colony-forming units. The symbol “↓” indicates a decrease in c.f.u. after PX-UV