Table 1

Characteristics of hospitals (n=34)

		% Of all admissions in England 2011–2012
	% Episodes	% Male	% Female	% >60 years old	% Neoplasms	% Clinical haematology	% Infectious disease
Sample hospitals	21%	20%	20%	22%	20%	19%	21%
All other hospital providers in England	79%	80%	80%	78%	80%	81%	79%

		Admissions 2011–2012
	Episodes (mean, IQR)*	% male (mean, IQR)*	% >60 years old (mean, IQR)*	% Neoplasm (mean, IQR)*	% Clinical haematology (mean, IQR)*

Sample hospitals	210 000 (50 000)	44% (3%)	47% (8%)	9% (5%)	2% (3%)

*Mean % IQR rounded to prevent identification of hospitals in sample.
Source: Author analysis of provider-level analysis for HES admitted patient care 2010–2011 and 2011–2012. The Health and Social Care Information Centre.