I�m sorry. My name is Simone Piva and I have a big problem with STATA.
The problem is:
I Have this data:
	A                               B                                 A-B
ICU1	100		10		    90
ICU2	�.		�		     �.
ICU3
Where A= total patients for ICU number 1
B= patients that received late tracheostomy
A-B=  total patients- patients that received late tracheostomy
In this form I can�t analyze my data; I need data in this form:
	B	A-B
ICU1   	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	1	0
ICU1	0	1
ICU1	0	1
�.  Repeat for 100
Only in this mode I Can do my analysis with STATA. But How Can I do this transformation
I don�t know if this e-mail is O.K for this kind of question. In any case thanks a lot.
         SIMONE PIVA, M.D.
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