A patient transport system is provided. The patient transport system includes a patient transport apparatus, which includes a seat section and a back section for supporting the patient, and a patient containment system. The patient containment system includes a lower strap, an upper strap having a front end coupled to the lower strap and a back end, and a coupling system to facilitate releasable attachment of the patient containment system to the patient transport apparatus. The coupling system includes a latch coupled to the back end of the upper strap, a coupling bracket configured for removable attachment to the back section of the patient transport apparatus, and a keeper operatively attached to the coupling bracket and configured to removably receive the latch to retain the upper strap together with the latch relative to the coupling bracket.