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Table 1 Baseline characteristics

From: Study of Peri-Articular Anaesthetic for Replacement of the Knee (SPAARK): statistical analysis plan for a randomised controlled trial assessing the effectiveness of peri-articular liposomal bupivacaine plus bupivacaine hydrochloride compared with bupivacaine hydrochloride alone

Baseline characteristic

Type

Levels or scale

Sex

Binary

Male; female

Age

Continuous

Years

BMI

Continuous

kg/m2

Knee

Binary

Left; right

Type of surgery

Binary

TKR; UKR

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Trials

ISSN: 1745-6215