Skip to main content
. Author manuscript; available in PMC: 2013 Apr 27.
Published in final edited form as: Lancet. 2012 Sep 5;380(9852):1473–1481. doi: 10.1016/S0140-6736(12)60862-9

TABLE 3a.

Adjusted risk ratios and rates by hospital quartile: ROSC and survival to discharge among all patients

ROSC* Survival to discharge**
Total
64,339 patients at 435 hospitals		 Adjusted risk- ratio (95% CI) Adjusted rate P Adjusted risk- ratio (95% CI) Adjusted rate P
Quartile 1
 13,994 patients at 113 hospitals Median: 16 minutes		 Ref 45·3% Ref Ref 14·5% Ref
Quartile 2
 18,783 patients at 121 hospitals Median: 19 minutes		 1·04 (0·99–1·09) 47·0% 0·116 1·05 (0·96–1·14) 15·2% 0·304
Quartile 3
 19,106 patients at 107 hospitals Median: 22 minutes		 1·08 (1·03–1·13) 48·8% 0·002 1·05 (0·96–1·14) 15·2% 0·280
Quartile 4
 12,456 patients at 94 hospitals Median: 25 minutes		 1·12 (1·06–1·18) 50·7% <0·0001 1·12 (1·02–1·23) 16·2% 0·021

ROSC = return of spontaneous circulation

*

P for trend <0·0001

**

P for trend 0·031