Table 2 The overall results of GRADE evaluation
Outcome | MD/RR [95%CI] | I2 | Quality of evidence | Reasons |
|---|---|---|---|---|
The incidence of PND | 0.87 [0.61, 1.24] | 19% | ⨁⨁⨁⨁ HIGH | None |
MMSE | 0.00 [-0.66, 0.66] | 0% | ⨁⨁⨁⨁ HIGH | None |
Alertness | 0.96 [0.42, 2.23] | 0% | ⨁⨁⨁⨁ HIGH | None |
Divided Attention | 1.76 [0.12, 25.49] | 52% | ⨁⨁◯◯ LOW | Inconsistency was “serious” a, imprecision was “serious”b |
Working Memory | 1.51 [0.53, 4.32] | 0% | ⨁⨁⨁◯ MODERATE | Imprecision was “serious” |
To open eyes | -4.57 [-5.82, -3.33] | 0% | ⨁⨁⨁◯ MODERATE | Indirectness was “serious” c |
To extubation | -5.30 [-6.61, -4.00] | 0% | ⨁⨁⨁◯ MODERATE | Indirectness was “serious” |
Aldrete score | 0.79 [0.24, 1.34] | 71% | ⨁⨁⨁◯ MODERATE | Inconsistency was “serious” |
to react on demand | -3.56 [-6.35, -0.78] | 0% | ⨁⨁◯◯ LOW | Indirectness was “serious”, imprecision was “serious” |
To time and spatial orientation | -3.04 [-5.93, -0.14] | 0% | ⨁⨁◯◯ LOW | Indirectness was “serious”, imprecision was “serious” |
Sepsis | 0.96 [0.27, 3.40] | 37% | ⨁⨁⨁◯ MODERATE | Inconsistency was “serious” |
Respiratory infection/ inflammation | 0.62 [0.30, 1.32] | 0% | ⨁⨁⨁⨁ HIGH | None |
Acute kidney injury | 1.07 [0.53, 2.17] | 5% | ⨁⨁⨁⨁ HIGH | None |
Myocardial dysfunction/infarction | 0.45 [0.13, 1.59] | 0% | ⨁⨁⨁⨁ HIGH | None |
Hypotension | 0.89 [0.65, 1.22] | 0% | ⨁⨁⨁⨁ HIGH | None |
PONV | 1.20 [0.67, 2.15] | 0% | ⨁⨁⨁⨁ HIGH | None |
Mortality | 0.81 [0.08, 8.64] | 52% | ⨁⨁◯◯ LOW | Inconsistency was “serious”, imprecision was “serious” |