Incidence of Zygomycosis and Linen Contamination by Implicated Zygomycetes in Case Hospital Supplied by Designated Laundry (SWL) and Control Hospitals Supplied by Other Laundries
| . | Case Hospitals With Linen Items Supplied by Designated Laundry (SWL) . | Control Hospitals With Linen Items Supplied by Other Laundries . | P Value . |
|---|---|---|---|
| Number of patient admission between 1 June 2015 and 31 July 2015 | 40 442 | 242 980 | |
| Number of patient with implicated zygomycosis between 1 June 2015 and 31 July 2015 | 6 | 0 | |
| Number of patient with implicated zygomycetes per 100 000 patient admission between 1 June 2015 and 31 July 2015 | 14.8 | 0 | <.001 |
| Laundered linen items tested for the presence of implicated zygomycetesa | |||
| Clothing | 70/252 (27.8%) | 0/180 (0%) | <.001 |
| Patients' clothes | 42/138 (30.4%) | 0/101 (0%) | |
| Patients' trousers | 28/114 (24.6%) | 0/79 (0%) | |
| Non-clothing linen items | 15/443 (3.4%) | 0/271 (0%) | <.001 |
| Pillow case | 1/132 (0.8%) | 0/90 (0%) | |
| Bed sheetb | 6/143 (4.2%) | 0/101 (0%) | |
| Draw sheetc | 1/124 (0.8%) | 0/80 (0%) | |
| Blanket | 2/7 (28.6%) | Not tested | |
| Towel | 5/7 (71.4%) | Not tested | |
| Collars and belts | 0/30 (0%) | Not tested | |
| Total laundered linen items | 85/695 (12.2%) | 0/451 (0%) | <.001 |
| . | Case Hospitals With Linen Items Supplied by Designated Laundry (SWL) . | Control Hospitals With Linen Items Supplied by Other Laundries . | P Value . |
|---|---|---|---|
| Number of patient admission between 1 June 2015 and 31 July 2015 | 40 442 | 242 980 | |
| Number of patient with implicated zygomycosis between 1 June 2015 and 31 July 2015 | 6 | 0 | |
| Number of patient with implicated zygomycetes per 100 000 patient admission between 1 June 2015 and 31 July 2015 | 14.8 | 0 | <.001 |
| Laundered linen items tested for the presence of implicated zygomycetesa | |||
| Clothing | 70/252 (27.8%) | 0/180 (0%) | <.001 |
| Patients' clothes | 42/138 (30.4%) | 0/101 (0%) | |
| Patients' trousers | 28/114 (24.6%) | 0/79 (0%) | |
| Non-clothing linen items | 15/443 (3.4%) | 0/271 (0%) | <.001 |
| Pillow case | 1/132 (0.8%) | 0/90 (0%) | |
| Bed sheetb | 6/143 (4.2%) | 0/101 (0%) | |
| Draw sheetc | 1/124 (0.8%) | 0/80 (0%) | |
| Blanket | 2/7 (28.6%) | Not tested | |
| Towel | 5/7 (71.4%) | Not tested | |
| Collars and belts | 0/30 (0%) | Not tested | |
| Total laundered linen items | 85/695 (12.2%) | 0/451 (0%) | <.001 |
a In sum, 85 samples were positive for zygomycetes, including Rhizopus microsporus (59, 69.4%), Lichtheimia species (24, 28.2%), Rhizopus oryzae (1, 1.2%), Syncephalastrum racemosum (1, 1.2%).
b Bed sheet is a rectangular cloth used to cover a mattress.
c Draw sheet is a small bed sheet placed across the rectangular cloth over the bed sheet underneath the patient's back to facilitate transfer of patients.
Incidence of Zygomycosis and Linen Contamination by Implicated Zygomycetes in Case Hospital Supplied by Designated Laundry (SWL) and Control Hospitals Supplied by Other Laundries
| . | Case Hospitals With Linen Items Supplied by Designated Laundry (SWL) . | Control Hospitals With Linen Items Supplied by Other Laundries . | P Value . |
|---|---|---|---|
| Number of patient admission between 1 June 2015 and 31 July 2015 | 40 442 | 242 980 | |
| Number of patient with implicated zygomycosis between 1 June 2015 and 31 July 2015 | 6 | 0 | |
| Number of patient with implicated zygomycetes per 100 000 patient admission between 1 June 2015 and 31 July 2015 | 14.8 | 0 | <.001 |
| Laundered linen items tested for the presence of implicated zygomycetesa | |||
| Clothing | 70/252 (27.8%) | 0/180 (0%) | <.001 |
| Patients' clothes | 42/138 (30.4%) | 0/101 (0%) | |
| Patients' trousers | 28/114 (24.6%) | 0/79 (0%) | |
| Non-clothing linen items | 15/443 (3.4%) | 0/271 (0%) | <.001 |
| Pillow case | 1/132 (0.8%) | 0/90 (0%) | |
| Bed sheetb | 6/143 (4.2%) | 0/101 (0%) | |
| Draw sheetc | 1/124 (0.8%) | 0/80 (0%) | |
| Blanket | 2/7 (28.6%) | Not tested | |
| Towel | 5/7 (71.4%) | Not tested | |
| Collars and belts | 0/30 (0%) | Not tested | |
| Total laundered linen items | 85/695 (12.2%) | 0/451 (0%) | <.001 |
| . | Case Hospitals With Linen Items Supplied by Designated Laundry (SWL) . | Control Hospitals With Linen Items Supplied by Other Laundries . | P Value . |
|---|---|---|---|
| Number of patient admission between 1 June 2015 and 31 July 2015 | 40 442 | 242 980 | |
| Number of patient with implicated zygomycosis between 1 June 2015 and 31 July 2015 | 6 | 0 | |
| Number of patient with implicated zygomycetes per 100 000 patient admission between 1 June 2015 and 31 July 2015 | 14.8 | 0 | <.001 |
| Laundered linen items tested for the presence of implicated zygomycetesa | |||
| Clothing | 70/252 (27.8%) | 0/180 (0%) | <.001 |
| Patients' clothes | 42/138 (30.4%) | 0/101 (0%) | |
| Patients' trousers | 28/114 (24.6%) | 0/79 (0%) | |
| Non-clothing linen items | 15/443 (3.4%) | 0/271 (0%) | <.001 |
| Pillow case | 1/132 (0.8%) | 0/90 (0%) | |
| Bed sheetb | 6/143 (4.2%) | 0/101 (0%) | |
| Draw sheetc | 1/124 (0.8%) | 0/80 (0%) | |
| Blanket | 2/7 (28.6%) | Not tested | |
| Towel | 5/7 (71.4%) | Not tested | |
| Collars and belts | 0/30 (0%) | Not tested | |
| Total laundered linen items | 85/695 (12.2%) | 0/451 (0%) | <.001 |
a In sum, 85 samples were positive for zygomycetes, including Rhizopus microsporus (59, 69.4%), Lichtheimia species (24, 28.2%), Rhizopus oryzae (1, 1.2%), Syncephalastrum racemosum (1, 1.2%).
b Bed sheet is a rectangular cloth used to cover a mattress.
c Draw sheet is a small bed sheet placed across the rectangular cloth over the bed sheet underneath the patient's back to facilitate transfer of patients.
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