Table 3: GRADE of primary and secondary outcomes.

N

Outcomes

Design

D1

D2

D3

D4

D5

Certainty

1

Discharge

RCT

Not serious

Not serious

Not serious

Serious

None

⨁⨁⨁◯

Moderate

2

Injection pain

RCT

Not serious

Serious

Not serious

Not serious

None

⨁⨁⨁◯

Moderate

3

Hypotension

RCT

Not serious

Serious

Not serious

Not serious

None

⨁⨁⨁◯

Moderate

4

Adverse events

RCT

Not serious

Not serious

Serious

Serious

None

⨁⨁⨁◯

Moderate

5

Time to fully alert

RCT

Not serious

Serious

Not serious

Not serious

None

⨁⨁◯◯

Low

6

Induction time

RCT

Not serious

Serious

Not serious

serious

None

⨁⨁◯◯

Low

RCT: Randomized Controlled Trial; D1, Risk of bias; D2, Inconsistency; D3, Indirectness; D4, Imprecision; D5 Other considerations