. 2018 Apr 3;183(Suppl 1):124–133. doi: 10.1093/milmed/usx137

Table II.

Assessment of Study Quality

Study	Selection of Control Population	PS Model Building	Application of PS Model	Balance Assessment	Overall Quality
Brown et al⁹	✓	✓	✓	✓	✓
O’Reilly et al¹²	!	✓	✓	!	✓
Brown et al¹⁰	✓	✓	✓	!	✓
Brown et al¹¹	✓	✓	✓	✓	✓
Miller et al¹³	✓	!	✓	!	✓
PROHS⁵	✓	✓	✓	✓	✓

PS, propensity score.

Note. A check mark indicates that the criteria was sufficiently met. An exclamation point indicates the criteria was not sufficiently met.