Table 1 Baseline characteristic of included studies
| Â | Mitchell et al. 1999 | Wang et al. 2002 | Mathew et al. 2009 | Mitchell et al. 2009 | Peng et al. 2016 | Chen et al. 2015 | Klinger et al. 2019 | Hashemi et al. 2013 | Zhu et al. 2015 | Wang et al. 2004 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lid | Con | Lid | Co | Lid | Co | Lid | Co | Lid | Con | Lid | Con | Lid | Con | Lid | Con | Lid | Con | Lid | Con | |
Age* | 56.9 ± 8.9 | 54.4 ± 9.7 | 57.8 ± 9.7 | 59.3 ± 9.4 | 61.7 ± 11.9 | 61.4 ± 13.9 | 61.5 ± 9.6 | 58.1 ± 11.4 | 45 ± 9 | 44 ± 10 | 71.3 ± 2.0 | 71.8 ± 1.9 | 67 ± 9.1 | 67 ± 9.5 | 66 ± 1 | 67 ± 2 | 71.9 ± 3.8 | 73.1 ± 4.2 | 58 ± 10 | 59 ± 9 |
Male (%) | 17 (60.7) | 14 (51.9) | 42 (97.7) | 44 (97.8) | 83 (72.8) | 85 (67) | 60 (74.1) | 63 (81.8) | 20 (50) | 19 (47.5) | 25 (62.5) | 13 (57.7) | 151 (71.6) | 160 (76.6) | 27 (77.1) | 28 (80) | 13 (43.3) | 13 (43.3) | 42 (97.7) | 44 (97.8) |
Sample size | 28 | 27 | 43 | 45 | 133 | 144 | 81 | 77 | 40 | 40 | 40 | 40 | 211 | 209 | 35 | 35 | 30 | 30 | 43 | 45 |
Education* | 9.78 ± 3.0 | 9.81 ± 2.4 | 9.6 ± 3.5 | 10.1 ± 3.9 | 13.3 ± 3.4 | 12.7 ± 3.3 | NA | NA | 12.25 ± 3.43 | 12.75 ± 3.19 | NA | NA | 14.3 ± 2.99 | 15.3 ± 2.99 | NA | NA | 5.9 ± 2.3 | 6.2 ± 2.4 | 10 ± 3 | 10 ± 4 |
MMSE score | NP test | NP test | NP test, occurrence | NP test, occurrence | Cognitive index, Occurrence | Cognitive index, Occurrence | Occurrence | Occurrence | 28.65 ± 0.77 | 29 ± 1.54 | 28.77 ± 1.85 | 28.19 ± 0.98 | Cognitive index, Occurrence | Cognitive index, Occurrence | 25.9 ± 4 | 25.7 ± 3.9 | 27.3 ± 1.7, NP test, occurrence | 26.9 ± 1.4, NP test, occurrence | NP test, occurrence | NP test, occurrence |
surgery | CABG with CPB, valve surgery | CABG with CPB | CABG with CPB | CABG with CPB, valve surgery | Supratentorial craniotomy for tumor surgery | Spine surgery | CABG, CABG with valve, valve | Urologic and orthopedic | Gastrointestinal tumor surgery | CABG with CPB | ||||||||||
Follow-up | 10d, 10wk, 6mo | 9d | 6wk, 1yr | Â | 24Â h, 1wk, 1mo, 3mo, 6mo | 3d | 6mo, 1yr | leaving PACU, 6Â h, 24Â h | 2d | 9d | ||||||||||
Jadad score | 3 | 4 | 5 | 4 | 5 | 4 | 5 | 5 | 4 | 3 | ||||||||||