Table 2 Characteristics of included studies
Study ID (Country) | Study population | Validation process & Tool | OSA definition | Prevalence n (%) | No OSA AHI < 5 n (%) | Mild OSA AHI ≥5 to < 15 n (%) | Moderate OSA AHI ≥15 to < 30 or RDI > 15 to < 30 n (%) | Severe OSA AHI ≥30 or RDI ≥30 n (%) | QUADAS Score a |
|---|---|---|---|---|---|---|---|---|---|
Chung 2012 [41] (Canada) | 746 (non-cardiac surgery) | Lab PSG and HSAT (Embletta X100) | AHI > 5 | 510 (68.4) | 236 (31.6) | 223 (29.9) | 153 (20.5) | 134 (18.0) | 13 |
Nunes 2014 [42] (Brazil) | 41 (abdominal surgery) | Lab PSG | AHI ≥15 | 17 (41.5) | 24 (58.5) | 17 (41.5) | 10 | ||
40 (CABG) | Lab PSG | AHI ≥15 | 21 (52.5) | 19 (47.5) | 21 (52.5) | ||||
Deflandre 2017 [43] (Belgium) | 150 (Pre-operative patients; surgery type not specified)) | Lab PSG | AHI > 5 | 134 (89.3) | 16 (10.7) | 41 (27.3) | 30 (20) | 63 (42) | 9 |
Devaraj 2017 [44] (India) | 182 (non-cardiac surgery) | HSAT (Resmed ApneaLink Plus) | AHI ≥ 5 | 70 (38.5) | 112 (61.5) | 59 (32.4) | 11 (6) | 13 | |
Glazer 2018 [45] (Canada) | 264 (bariatric surgery) | Lab PSG | AHI > 5 | 208 (78.8) | 56 (21.2) | 80 (30.3) | 57 (21.6) | 71 (26.9) | 12 |
Horvath 2018 [46] (Switzerland) | 251 (bariatric surgery) | HSAT (Embletta, Resmed) | AHI ≥ 5 | 109 (43.3) | 142 (56.6) | 57(22.7) | 28 (11.2) | 24 (9.6) | 11 |
Spence 2018 [47] (United States) | Total: 84 With valid sleep study: 82 (THA/TKA) | HSAT (Natus Xltek or Watch-PAT200) | AHI ≥ 5 | 42 (51.2) | 40 (48.8) | 18 (21.2) | 18 (21.2) | 6 (7.3) | 10 |
Kreitinger 2020 [48] (United States) | 214 (bariatric surgery) | Lab PSG (n = 141) and HSAT (n = 73) | AHI ≥ 15 | 97 (45.3) | 64 (29.9) | 53 (24.8) | 53 (24.8) | 44 (20.6) | 12 |
Lazaro 2020 [49] (Spain) | 70 (bariatric surgery) | HSAT (ApneaLink vs10.20) | AHI ≥ 15 | 26 (37.1) | 44 (62.8) | 26 (37.1) | 13 | ||
Waseem 2021- Caucasian [50] (Canada) | 183 (non-cardiac surgery) | HSAT (ApneaLink Plus, Resmed) | AHI ≥ 15 | 63 (34.4) | 46 (25.1) | 74 (40.4) | 38 (20.8) | 25 (13.7) | 13 |
Waseem 2021- Chinese [50] (Canada) | 666 (non-cardiac surgery) | HSAT (ApneaLink Plus, Resmed | AHI ≥ 15 | 176 (26.4) | 236 (35.4) | 254 (38.1) | 104 (15.6) | 72 (10.8) | 13 |
Waseem 2021- Indian [50] (Canada) | 161 (non-cardiac surgery) | HSAT (ApneaLink Plus, Resmed | AHI ≥ 15 | 46 (28.6) | 45 (28.0) | 70 (43.5) | 29 (18.0) | 17 (10.6) | 13 |
Waseem 2021- Malay [50] (Canada) | 195 (non-cardiac surgery) | HSAT (ApneaLink Plus, Resmed | AHI ≥ 15 | 82 (42.1) | 62 (31.8) | 51 (26.2) | 54 (27.7) | 28 (14.4) | 13 |