Sood 1996.

Study characteristics
Methods	RCT
Participants	50 women Inclusion criteria: ASA I or II parturients undergoing elective CS at term Exclusion criteria: history of cardiovascular disease or contraindication to spinal, body weight > 90 kg and/or thigh circumference > 62 cm
Interventions	Lower limb compression versus control Group 1: TED stockings applied 1 hour preoperatively from toes to mid‐thigh according to manufacturer's guidelines Group 2: no compression All women received standardised crystalloid preload, standardised spinal anaesthetic technique with dose adjusted according to subject's height.
Outcomes	Maternal: hypotension; diastolic BP and MAP; heart rate; SpO2 Neonatal: Apgar scores at 1 min and 5 min
Notes	Hypotension was defined as a SBP < 90 mmHg or a decrease in SBP more than 20% from baseline.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Method not described
Allocation concealment (selection bias)	Unclear risk	Method not described
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Blinding not mentioned
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Blinding not mentioned
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Losses to follow‐up not stated
Selective reporting (reporting bias)	Unclear risk	Not apparent
Other bias	Unclear risk	Not apparent