CMAJ • November 4, 2008; 179 (10). doi:10.1503/cmaj.070923.
© 2008 Canadian Medical Association or its licensors
All editorial matter in CMAJ represents the opinions of the authors and not necessarily those of the Canadian Medical Association.
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Risk of incarceration of inguinal hernia among infants and young children awaiting elective surgery

Mohammed Zamakhshary, MD MEd, Teresa To, MSc PhD, Jun Guan, MSc and Jacob C. Langer, MD

From the Division of General Surgery, The Hospital for Sick Children (Zamakhshary, Langer), Toronto, Ont.; the King Saud bin Abdulaziz University for Health Sciences and the King Abdullah International Medical Research Center, King Abdulaziz Medical City (Zamakhshary), Riyadh, Saudi Arabia; Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children (To, Langer), Toronto, Ont.; and the Institute for Clinical Evaluative Sciences (To, Guan), Toronto, Ont.


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  		Table 1.

 

Figure 116
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  		Figure 1: Risk of hernia incarceration by wait time and age group among 1065 infants and young children waiting for surgical repair of an inguinal hernia in fiscal years 2002 and 2003.

 

Figure 216
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  		Figure 2: Effect of covariates on the probability of hernia incarceration. Variables included in the logistic regression model were children's age, sex, number of visits to the emergency department after diagnosis and wait time for surgery. In the stratified logistic regression model, the variable of visits to the emergency department was dichotomized (≥ 1 visit v. none). CI = confidence interval.

 

Figure 316
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  		Figure 3: Risk of hernia incarceration by wait time and patient sex among 1065 infants and young children waiting for surgical repair of an inguinal hernia.