Effect of intrathecal lipophilic opioids on the incidence of shivering in women undergoing cesarean delivery after spinal anesthesia: a systematic review and bayesian network meta- analysis of randomized controlled trials

Table 4 Study Quality assessment: Meta-regression and sensitivity analysis

Subgroups	Quality of study (No. of studies)	Point Estimate	95% CI	I²	Meta-Regression
Subgroups	Quality of study (No. of studies)	Point Estimate	95% CI	I²	Coefficient (Standard Error)	p-value
Fentanyl	Good (2) Poor - moderate (5)	0.24 0.50	0.08–0.72 0.32–0.79	69% 13%	−0.507 (0.393)	0.1969
Sufentanil	Good (3) Poor - moderate (2)	0.40 1.23	0.1–1.66 0.14–10.7	85% 76%	−0.980 (1.113)	0.378
Low dose Meperidine	Good (7) Poor - moderate (2)	0.41 0.46	0.27–0.61 0.28–0.75	26% 8%	−0.125 (0.376)	0.7391
High dose Meperidine	Good (3) Poor - moderate (0)	0.10 -	0.01–1.0 -	81% -	–	–

CI: Confidence Interval. Study quality scores were obtained from the modified oxford scoring system. Study was considered good when assigned score was equal or greater than 5 out of 7. P-values are based on random-effects model

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