Table 1 Demographic Data

▪ Ethnicity

▪ Sex

▪ Smoking history & pack year history

▪ Body mass index (BMI)

▪ American Society of Anaesthesiologists score (ASA)

▪ Hand dominance

▪ History and symptoms of chronic lung disease

▪ Relevant past medical history

▪ Percutaneous oxygen saturation (SpO₂)

▪ Pulmonary function tests

   ◦ Forced Expiratory Volume in 1 second (FEV1)

   ◦ Forced Vital Capacity (FVC)

   ◦ FEV1/FVC

▪ Date of surgery

▪ Surgeon

▪ Surgical procedure

▪ Duration of anaesthesia

▪ Incision site/type of thoracotomy (muscle sparing, postero-lateral, antero-lateral, axillary)

▪ Rib resections

▪ Number of chest drains in situ, length of time on suction (number of days) and length of time in situ (number of days) postoperatively

▪ Postoperative analgesia and method of administration

▪ Relevant past medical history of shoulder or upper back/neck problems and management

▪ Presence of seroma at wound site (Y/N)

▪ Time to first sit out of bed (number of hours postoperatively)

▪ Time to first mobilisation > 10 metres or equivalent walk on spot if chest drains remain on suction (number of days postoperatively)

▪ Reason for increased length of stay

▪ Physiotherapy interventions administered (total number of sessions, cumulative time and type of intervention)

▪ Return to the intensive care unit and operating theatre

▪ Postoperative chemotherapy or radiotherapy