Study	Conservative interventions and dosing, if provided+	Number of conservative interventions provided	Physical therapy description and provider*	Amount and duration of conservative treatment
Aydin et al. 2014​[@192092]	Physiotherapy: ROM Isometric strengthening exercises NSAIDs	2	Specific, performed by physiotherapist	6 months
Back et al. 2021​[@192093]	Conservative treatment	1	None Listed	3 months
Baltaci et al. 2007​[@192135]	Physiotherapy Stretching Strengthening Activity modification NSAIDs Steroidal anti-inflammatory medication	4	Non-specific, performed by unknown provider	6 months
Basharat et al. 2021​[@192094]	Moist heat NSAIDs HEP including isometric contractions for 6-10 seconds, 10-20 repetitions per day for 5-6 days per week up to 12; then for 12-24 weeks progressive resistance exercise 5 times per week	3	None Listed	6 months
Beard et al. 2018​[@192072]	Physiotherapy: Remedial exercise regimen At least one steroid injection	2	Non-specific, performed by unknown provider	3 months
Bengtsson et al. 2006​[@192095]	At least one steroid injection Physiotherapy	2	Non-specific, performed by physiotherapist	6 months
Bhattacharyya et al. 2014​[@192096]	Physiotherapy At least one subacromial steroid injection Local anesthetic injection	3	Non-specific, performed by physiotherapist	6 months
Biberthaler et al. 2013​[@192097]	Physiotherapy: Heat/cold pack Soft tissue treatment Active training of the periscapular muscles and strengthening of the stabilizing muscles of the shoulder joint HEP (2-3 times per week)	1	Specific, performed by unknown provider	16 sessions for 60 minutes for 3 months
Bjornsson Hallgren et al. 2017​[@192098]	Physiotherapy: Eccentric exercise for the rotator cuff Eccentric and concentric exercise for scapula-stabilizing musculature	1	Specific, performed by physiotherapist in Physical Therapy Department	3 months
Butt et al. 2015​[@192099]	One or more steroid injections Physiotherapy	2	Non-specific, performed by unknown provider	6 months
Cederqvist et al. 2020​[@192100]	Physical Therapy: Cold pack 10-15 minutes prior to exercise Specific exercises following a protocol Joint mobilization with muscle energy techniques Cross friction massage	1	Specific, performed by physical therapists	15 sessions within 3 months
Christiansen et al. 2016​[@192083]	Physiotherapy: Advice/instruction Exercise therapy Manual therapy Physical modalities	1	Specific, performed by physiotherapist	Greater than 5 sessions
DeWachter et al. 2005​[@192101]	Physiotherapy NSAIDs Subacromial steroid injections	3	Non-specific, performed by physiotherapist	6 months
Diab et al. 2009​[@192102]	NSAIDs Physiotherapy At least one subacromial steroid injection	3	Non-specific, performed by physiotherapist	3-6 months
Dickens et al. 2005​[@192103]	Three subacromial steroid injections at six week intervals	1	n/a	4.5 months
Dorum et al. 2017​[@192104]	Physical Therapy: Strengthening and stretching exercises Manual therapy Oral analgesics NSAIDs Injections of corticosteroid Radial extracorporeal shockwave therapy	5	Non-specific, performed by physical therapist	3 months
Farfaras et al. 2016​[@192105]	Physical Therapy: Pain-free exercises with gravity forces removed Strengthening of rotator cuff and scapula-stabilizing muscles Exercises with corresponding leisure activities	1	Specific, performed by physiotherapist	3-6 months
Farfaras et al. 2018​[@192106]	Physical Therapy NSAIDs Local steroid injection	3	Non-specific, performed by physiotherapist	3-6 months
Haahr et al. 2005​[@192107]	Physical Therapy: Heat/cold pack Soft tissue treatments Exercise: Active training of the periscapular muscles Strengthening of the stabilizing muscles of the shoulder Daily HEP	1	Specific, performed by physical therapist	3 months including 19 sessions for 60 minutes
Hawkins et al. 2001​[@192108]	No prior interventions listed	0	n/a	Not Listed
Holmgren et al. 2012​[@192079]	Corticosteroid injection Physical Therapy: Eccentric strengthening of rotator cuff (3 sets, 15 reps, 2 times per day) Concentric/Eccentric exercises for scapular stabilizers (3 sets, 15 reps, 2 times per day) Posterior shoulder stretch (hold 30-60 sec, 3 reps, 2 times per day) Shoulder abduction, shoulder retraction, shoulder elevation, neck retraction, stretch of upper trapezius, stretch of pectoralis major Manual intervention of posterior GH capsule and pectoralis minor stretching Education on posture (thoracic spine extension and scapular retraction)	2	Specific, performed by physiotherapist	3 months (then HEP for 2 more months)
Holmgren et al. 2012​[@192109]	Local anesthetic injection Physiotherapy	2	Non-specific, performed by Physical Therapist	3 months
Hultenheim Klintberg et al. 2011​[@192110]	No prior interventions listed	0	n/a	Not Listed
Husby et al. 2003​[@192111]	NSAIDs Local steroid injections Physical Therapy: Ultrasound	3	Non-specific, performed by physical therapist	6 months
Jacobsen et al. 2017​[@192112]	Physical Therapy: Daily HEP Supervised training of rotator cuff muscles and scapular stabilizers Glucocorticoid injections	2	Specific, performed by physiotherapist	3 months
Jarvela et al. 2010​[@192113]	Conservative treatment	1	None Listed	6 months
Jenkins et al. 2020​[@192114]	No prior interventions listed	0	n/a	Not Listed
Kappe et al. 2015​[@192115]	Oral analgesics Physical Therapy	2	Non-specific, performed by unknown	Not Listed
Ketola et al. 2009​[@192116]	Rest NSAIDs Subacromial glucocorticosteroid injections Physical Therapy: Exercise programs: increase dynamic stability of the glenohumeral joint and scapula (performed 4 times per week, 9 different exercises, 30-40 reps with 3 sets) Massage Heat TENS HEP	4	Specific, performed by physiotherapist	Not Listed
Khare et al. 2015​[@192117]	Conservative treatment	1	None Listed	3 months
Klintberg et al. 2010​[@192118]	No prior interventions listed	0	n/a	Not Listed
Kohler et al. 2020​[@192119]	Physical Therapy: 3 times per week for 2 weeks then 2 times per week for 4 weeks Exercises Shoulder stabilization Lifting against gravity Exercises that focus on extending the spine Exercise therapy using equipment Manual Therapy Mobilization of the scapula, cervical, and thoracic spine Friction massage Caudal gliding Traction Additional Therapies Ultrasound Kinesiotaping Electrotherapy Subacromial injections Bupivacaine with dexamethazone (maximum of 3 with minimum intervals of 2 weeks)	2	Specific, performed by physiotherapist or physician	1.5 months
Konradsen et al. 2015​[@192120]	Physical Therapy Steroid injections	2	Non-specific, performed by unknown provider	6 months
Lim et al. 2007​[@192121]	Rest Physiotherapy NSAIDs Steroid injections in subacromial space	4	Non-specific, performed by unknown provider	2-16 months (mean: 4.6 months)
Lunsjo et al. 2011​[@192122]	Subacromial glucocorticoid steroid injection Physical Therapy	2	Non-specific, performed by unknown provider	6 months
Magaji et al. 2012​[@192123]	At least 1 subacromial injection of steroid Local anesthetic injection Physiotherapy: Global strengthening exercises Lifestyle and ADL changes to change posture and strengthen appropriate Taping for biofeedback	3	Non-specific, performed by a physiotherapist	Not Listed
Odenbring et al. 2008​[@192124]	Physical Therapy NSAIDs Subacromial steroid injection	3	Non-specific, performed by unknown provider	6 months
Paavola et al. 2018​[@192125]	Physical Therapy: Individually designed progressive HEP	1	Specific, performed by physiotherapist	15 visits
Paavola et al. 2021​[@192126]	Physiotherapy NSAIDs Corticosteroid injection Rest	4	Non-specific, performed by physiotherapist	3 months
Rehman et al. 2009​[@192139]	Conservative treatment	1	Non-specific, performed by unknown provider	6 months
Rombach et al. 2019​[@192127]	Conservative treatment At least 1 steroid injection	2	None listed	Not listed
Rudbeck et al. 2013​[@192128]	Rest Exercises NSAIDs	3	Non-specific, performed by unknown provider	Not listed
Singh et al. 2014​[@192129]	Physiotherapy Subacromial steroid injection Local anesthetic injection	3	Non-specific, performed by physiotherapist	3 months
Nizam Siron et al. 2021​[@192130]	Physiotherapy Analgesics	2	Non-specific, performed by unknown provider	1.5 months to 3 months
Taverna et al. 2007​[@192131]	Physical Therapy: ROM Strengthening Ice Subacromial corticosteroid injection(s) NSAIDs Activity modification Rest	5	Non-specific, performed by unknown provider	6 months
Wright et al. 2000​[@192132]	Physical Therapy: Moist Heat Ice NSAIDs Steroid injections	3	Non-specific, performed by unknown provider	4-6 months
Yeoman et al. 2012​[@192133]	Physiotherapy Two steroid injections	2	Non-specific, performed by unknown provider	6 months