TABLE 2

Comparison of the Frequency of Adverse Events in Term and Preterm Patients

Adverse EventTermPretermAll ChildrenPa
n56 54268557 227
None51 747 (91.5)584 (85.3)52 331 (91.4)<.001
Any complication4795 (8.5)101 (14.7)4896 (8.6)<.001
Airway obstruction1138 (2.0)20 (2.9)1158 (2.0).094
Oxygen desaturation999 (1.8)31 (4.5)1030 (1.8)<.001
Coughing1092 (1.9)23 (3.4)1115 (2.0).007
Secretions544 (1.0)18 (2.6)562 (1.0)<.001
Agitation263 (0.5)2 (0.3)265 (0.5).78b
Apnea470 (0.8)14 (2)484 (0.9).001
IV related249 (0.4)5 (0.7)254 (0.4).24b
Hemodynamic changec160 (0.3)3 (0.4)163 (0.3).45b
Laryngospasm184 (0.3)1 (0.2)185 (0.3).73b
Vomiting137 (0.2)1 (0.2)138 (0.2)1.0b
Aspiration7 (0.01)1 (0.2)8 (0.01).09b
Stridor89 (0.2)1 (0.2)90 (0.2)1.0b
Unplanned admission17 (0.03)0 (0.0)17 (0.03)1.0b
Bronchospasm41 (0.1)1 (0.2)42 (0.1).40b
Allergic reaction11 (0.02)0 (0.0)11 (0.02)1.0b
Failed sedation93 (0.16)0 (0.0)93 (0.16).63b
Procedure not completed151 (0.3)1 (0.2)152 (0.3)1.0b
Emergent airway89 (0.2)1 (0.2)90 (0.2)1.0b
Emergency anesthesia consult12 (0.02)0 (0.0)12 (0.02)1.0b
Hypothermia5 (0.01)2 (0.3)7 (0.01).003b
Myoclonus54 (0.1)0 (0.0)54 (0.1)1.0b
Seizure16 (0.03)0 (0.0)16 (0.03)1.0b
Reversal agent2 (0.0)1 (0.2)3 (0.01).04b
Cardiac event4 (0.01)0 (0.0)4 (0.01)1.0b
Hiccups78 (0.1)1 (0.1)79 (0.1).6b
Snoring930 (1.6)19 (2.8)949 (1.7).02
Death0 (0.0)0 (0.0)0 (0.0)
  • Values are expressed as n (%) unless noted otherwise. P values <.05 were considered significant between the 2 groups. IV, intravenous line.

  • a Pearson χ2.

  • b Fisher exact tests reported.

  • c Unexpected change in heart rate or blood pressure >30%.