NJR Data Collection Forms

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Data from surgical procedures should be entered directly into the NJR data entry system. Where this is not feasible, data collection forms can be used by hospital staff to record data, prior to later electronic submission.

The set of data fields collected by the NJR is known as the Minimum Data Set (MDS). The majority of MDS data fields relate to the patient’s operation details and are collected in the operating theatre.

An important subset of data fields in the MDS are the patient’s personal details (surname, forename, date of birth, home postcode and NHS number or national patient identifier). Patients must give their consent for this data to be recorded on the NJR.

The MDS is periodically reviewed to ensure that it takes account of clinical developments and continues to meet the aims of the NJR. The Data Entry System (the electronic system for collection and transfer of data) and the MDS proformas (paper forms for recording NJR data prior to electronic submission) are revised in line with approved modifications to the dataset. NJR users are notified of any changes that impact on data entry.

Previous iterations of older archived NJR MDS forms are available on request by contacting the NJR Service Desk.

NJR Data Entry form – joint selection and usage:

JointPrimary proceduresRevision proceduresNotes
HipH1 (▼)H2 (▼)H2 for Single Stage (includes modular exchange for indications other than infection), Stage 1 of 2, Stage 2 of 2, Excision Arthroplasty, Debridement and Implant Retention (DAIR)
KneeK1 (▼)K2 (▼) K2 for Single Stage (includes modular exchange for indications other than infection), Stage 1 of 2, Stage 2 of 2, Conversion to Arthrodesis, Amputation, Debridement and Implant Retention (DAIR)
AnkleA1 (▼)A2 (▼)A2 for Single Stage (includes modular exchange for indications other than infection), Stage 1 of 2, Stage 2 of 2, Conversion to Arthrodesis, Amputation, Debridement and Implant Retention (DAIR)
ElbowE1 (▼)E2 (▼)E2 for Single Stage (includes modular exchange for indications other than infection), Stage 1 of 2, Stage 2 of 2, Failed Hemi-arthroplasty, Conversion to Arthrodesis, Excision Arthroplasty, Amputation, Debridement and Implant Retention (DAIR)
ShoulderS1 (▼)S2 (▼)
S2 for Single Stage (includes modular exchange for indications other than infection), Stage 1 of 2, Stage 2 of 2, Conversion to Arthrodesis, Excision Arthroplasty, Amputation, Debridement and Implant Retention (DAIR)

NJR Minimum Data Set release history

  • Minimum Data Set Version 7 was introduced on Monday 4 June 2018.
  • Minimum Data Set Version 6 was introduced on Friday 14 November 2014.
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