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. 2021 May 11;6(2):XC–CX. doi: 10.1177/23969873211014112

Table 2.

GRADE evidence profile table for PICO 2.


Certainty assessment

No. of patients

Effect
Certainty Importance
No. of studies Study design Risk of bias Inconsistency Indirectness Imprecision Other considerations Surgical decompression Medical management Relative (95% CI) Absolute (95% CI)
PICO 2: Death, Age 18-60 years, > 48 hr
 2 randomised trials seriousa not serious not serious seriousb small numbers of trials and patients 5/17 (29.4%) 6/17 (35.3%) RR 0.82(0.30 to 2.28) 64 fewer per 1,000(from 247 fewer to 452 more) ⨁⨁◯◯LOW critical
PICO 2: Death or moderately severe disability (mRS 4-6), Age 18-60 years, > 48 hr
 2 randomised trials seriousa,b not serious not serious seriousb small numbers of trials and patients 12/17 (70.6%) 11/17 (64.7%) RR 1.07(0.67 to 1.72) 45 more per 1,000(from 214 fewer to 466 more) ⨁⨁◯◯LOW critical

CI: confidence interval; RR: risk ratio.

aTrials terminated prematurely.

bLack of blinding.