Table 4 Results of all the selected papers after title and abstract selection. In the column ‘reason’ are arguments noted for in-or exclusion of the papers. In the column consensus is noted if consensus was reached after discussion. KdB: Observer Karel de Bree, EvL: Erik van Lindert, FA: Observer Femke Atsma, Y: Paper selected by observer, N: Paper not selected by observer, I: Inclusion, E: Exclusion

1

Postoperative monitoring with a mobile application after ambulatory lumbar discectomy: an effective tool for spine surgeons. Debono B, Bousquet P, Sabatier P, Plas JY, Lescure JP, Hamel O. Eur Spine J. 2016 Nov;25(11):3536–3542.

Y

Y

Yes

All inclusion criateria are met.

I

2

Outpatient Surgery for Herniated Cervical Disc and Fusion Is Feasible and Safe: A Consecutive Single-Center Series of 759 Patients. Lied B, Helseth O, Ekseth K, Heskestad B, Helseth E. Neurosurgery. 2016 Aug;63 Suppl 1:164

N

Y

Yes

No results of postoperative outpatient appointment

E

3

Utility of Routine Outpatient Cervical Spine Imaging Following Anterior Cervical Corpectomy and Fusion, Desai A1, Pendharkar AV, Swienckowski JG, Ball PA, Lollis S, Simmons NE, Cureus. 2015 Nov 23;7(11):e387.

Y

N

No

No results of postoperative outpatient appointment

E

4

Safety and cost-effectiveness of outpatient cervical disc arthroplasty. Wohns R. Surg Neurol Int. 2010 Dec 13;1:77.

Y

N

Yes

No results of postoperative outpatient appointment

I

5

Patient satisfaction with outpatient lumbar microsurgical discectomy: a qualitative study. Hersht M, Massicotte EM, Bernstein M. Can J Surg. 2007 Dec;50(6):445–9.

Y

N

No

Qualitative study

E