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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Gastrointest Endosc. 2019 Apr 30;90(3):360–369. doi: 10.1016/j.gie.2019.04.236

TABLE 2.

Comparison of matched versus unmatched patients treated with esophageal dilation

Characteristic Matched (n=148) Unmatched (n=8) SMD
Age, mean (SD) 40.8 (14.4) 37.0 (9.6)
Age Category
 18-29 42 28% 2 25% 0.08
 30-39 33 22% 3 38% 0.34
 40 + 73 49% 3 38% 0.24
Sex
 Female 52 35% 2 25% 0.22
 Male 96 65% 6 75% 0.22
Race
 White 138 93% 2 25% 1.93
 Non-White 10 7% 6 75% 1.93
Covariates
 Food Allergy 29 20% 4 50% 0.67
 Narrowing 60 41% 5 63% 0.45