Two methods for detecting outcomes after knee prosthetic surgery are compared: the traditional one using paper questionnaires administered in the outpatient setting (Oxford Knee Score) VS detection using digital questionnaires created on Google Forms and sent to the patient's smartphone on which the compilation takes place in the extra area outpatient.
patients with gonarthrosis with indication of hip arthroplasty
males and females aged 18-78 and with a Barthel scale score ≥ 91
patients in possession of private digital electronic support (smartphone, tablet or PC)
patients with a Barthel scale score ≤ 90
patients with psychiatric pathologies, a history of drug and alcohol abuse
patients not in possession of private digital electronic support
Single group
Extrambulatory digital PROMs detection
BehavioralAn alternative PROMs evaluation method will be used in which the questionnaire will be administered to the patient digitally (Google Forms) in an outpatient environment
Patient's adhesion to the digital Oxford Knee Score compilation after the pre-admission visit
Adhesion: The primary end point will be assessed in terms of patient adhesion at the digital survey of the OKS index compared to the conventional one. Those who complete the questionnaire within 48 hours of the outpatient visit will be considered as cases with positive adhesion with the digital assessment; those who reply after 48 hours or who do not reply will be considered with negative adhesion.
Patient's adhesion to the digital Oxford Knee Score compilation one month after surgery
Adhesion: The primary end point will be assessed in terms of patient adhesion at the digital survey of the OKS index compared to the conventional one. Those who complete the questionnaire within 48 hours of the follow up visit will be considered as cases with positive adhesion with the digital assessment; those who reply after 48 hours or who do not reply will be considered with negative adhesion.
Patient's adhesion to the digital Oxford Knee Score compilation three months after surgery
Adhesion: The primary end point will be assessed in terms of patient adhesion at the digital survey of the OKS index compared to the conventional one. Those who complete the questionnaire within 48 hours of the follow up visit will be considered as cases with positive adhesion with the digital assessment; those who reply after 48 hours or who do not reply will be considered with negative adhesion.
Patient's adhesion to the digital Oxfor Knee Score compilation six months after surgery
Adhesion: The primary end point will be assessed in terms of patient adhesion at the digital survey of the OKS index compared to the conventional one. Those who complete the questionnaire within 48 hours of the follow up visit will be considered as cases with positive adhesion with the digital assessment; those who reply after 48 hours or who do not reply will be considered with negative adhesion.
Level of coherence between the OKS detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration one month before surgery
As a secondary end point, the level of coherence between the Oxford Knee Score detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration will be examined, one month before surgery, on the occasion of the pre-admission visit. Which and how many responses will be discordant with respect to the two types of survey will be indicated.
Level of coherence between the OKS detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration one month after surgery
As a secondary end point, the level of coherence between the Oxfor Knee Score detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration will be examined, one month after surgery, on the occasion of the follow up visit. Which and how many responses will be discordant with respect to the two types of survey will be indicated.
Level of coherence between the OKS detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration threee months after surgery
As a secondary end point, the level of coherence between the Oxford Knee Score detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration will be examined, three months after surgery, on the occasion of the follow up visit. Which and how many responses will be discordant with respect to the two types of survey will be indicated.
Level of coherence between the OKS detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration six months after surgery
As a secondary end point, the level of coherence between the Oxford Knee Score detected on an outpatient basis by means of a paper questionnaire and that detected by digital extra-ambulatory administration will be examined, six months after surgery, on the occasion of the follow up visit. Which and how many responses will be discordant with respect to the two types of survey will be indicated.
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