Table 1:

Questions asked of physicians at disposition time to obtain a gold standard set of labels. Additional information was displayed in a clickthrough screen with a link from the main question page.

Latent Variable	Disposition Question	Additional Information	Labels Collected	Fraction Positive
didFall	Did the patient fall from standing or lesser height?	None	9,831	0.118
hasCardiacEtiology	In the workup of this patient, was a cardiac etiology suspected?	None	17,258	0.068
hasInfection	Do you think this patient has an infection?	Suspected or proven viral, fungal, protozoal, or bacterial infection	62,589	0.213
fromNursingHome	Is the patient from a nursing home or similar facility?	Interpret as if you would be giving broad spectrum antibiotics	36,256	0.045
hasCancer	Does the patient have an active malignancy?	Malignancy not in remission; and recent enough to change clinical thinking	4,091	0.042
hasPneumonia	Do you think the patient has pneumonia?	None	9,934	0.073
isAnticoagulated	Prior to this visit, was the patient on anticoagulation?	Excluding antiplatelet agents like aspirin or plavix	1,082	0.047
isImmunosuppressed	Is the patient currently immunocompromised?	None	12,857	0.040
hasSepticShock	Is the patient in septic shock?	None	6,867	0.020