Health Care Resource Use in Patients With and Without 22q11.2 Deletion Syndrome Undergoing Sphincter Pharyngoplasty for Velopharyngeal Insufficiency

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The use of health care resources in patients with velopharyngeal insufficiency undergoing sphincter pharyngoplasty is unknown.


To examine the use of health care resources by patients with velopharyngeal insufficiency who have undergone sphincter pharyngoplasty and investigate whether patients with 22q11.2 deletion syndrome (22qDS) had a longer length of stay, increased cost of admission, and higher number of complications.

Design, Setting, and Participants

Using data from the Kids’ Inpatient Database for January 1 to December 31, 2012, we retrospectively analyzed all patients undergoing pharyngoplasty for velopharyngeal insufficiency. In addition, patients were analyzed according to whether or not they had 22qDS. Data were analyzed from January 1 to December 31, 2012.

Main Outcomes and Measures

Total cost of admission, length of stay, number of procedures, and number of complications.


There were 687 patients: 90 with 22qDS (mean [SD] age, 6.4 [2.7] years; 43 males and 47 females) and 597 without 22qDS (mean [SD] age, 7.5 [4.1] years; 326 males and 271 females). In both groups, patients were predominantly white, had private insurance, were treated in a children’s hospital, and were from either the West or Midwest. The median length of stay (2.0 [interquartile range (IQR), 1.0-3.9] vs 1.0 [IQR, 1.0-2.0] days; 95% CI, 1.0-2.0) and total cost of admission ($9269.24 [IQR, $6800.65-$13 189.25] vs $6936.95 [IQR, $5036.71-$9054.98]; 95% CI, $6791.83-$7542.47) were higher for the group with 22qDS than those without 22qDS, while there was no significant difference in the number of procedures performed. In addition, the median number of diagnoses (5.0 [IQR, 3.0-9.0] vs 3.0 [IQR, 2.0-5.0]; 95% CI, 3.0-4.0) and number of chronic conditions (3.0 [IQR, 2.0-5.0] vs 2.0 [IQR, 1.0-2.0]; 95% CI, 2.0-2.0) were higher for the group with 22qDS than those without 22qDS. Furthermore, results of a multiple regression model showed that 22qDS was positively associated with both length of stay (B = 0.92; 95% CI, 0.59-1.24) and total cost (B = $3458.78; 95% CI, $2051.09-$4866.46).

Conclusions and Relevance

This study demonstrates that patients with 22qDS undergoing sphincter pharyngoplasty for velopharyngeal insufficiency have more complex medical conditions and require more health care resources than patients without 22qDS.

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