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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