Table 1. Search terms.

Search term	Results
“MDS” and (“outcome” or “mortality” or  “readmission” or “death”)	340
(“Nursing home” or “SNF”) and (“volume” or “volume  outcomes” or “volume-outcomes” or  “characteristics” or “staffing”) and (“outcome” or  “mortality” or “readmission” or “quality of care”)	662
(“Nursing home” or “SNF”) and (“care process” or  “intervention” or “process assessment”) and  (“outcome” or “mortality” or “readmission” or  “quality of care”)	619
(“Nursing home” or “SNF”) and (“outcomes assessment” or “outcomes” or “quality” or “quality  of care” or “quality of health care” or “quality-  indicators”) and (“variability” or “facility-level” or  “facility-level”)	193
(“Nursing home” or “SNF”) and (“resident-reported  outcomes” or “resident-reported outcomes” or  “patient-reported outcomes” or “patient-reported  outcomes” or “quality of life”) and (“outcome” or  “mortality” or “readmission” or “quality of care” or  “quality”)	983