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Table 4 Results of the multivariate analysis

From: Check-rein technique for Achilles tendon elongation following conservative management for acute Achilles tendon ruptures: a two-year prospective clinical study

Endpoint

ATRS

at last FU

ATRA

at last FU

Isometric strength

at last FU

Calf circumference

at last FU

Functional assessment

at last FU

r

P

r

P

r

P

r

P

r

P

Time injury to surgery (weeks)

0.05

0.7

0.39

0.008

0.14

0.3

− 0.05

0.7

− 0.40

0.009

Sex

− 0.17

0.2

0.03

0.8

0.07

0.6

− 0.11

0.4

− 0.35

0.2

Age at admission

0.12

0.4

− 0.05

0.7

− 0.01

0.9

0.38

0.1

− 0.13

0.4

ATRS at admission

0.19

0.2

0.04

0.7

0.04

0.7

0.12

0.4

− 0.01

0.9

ATRA at admission

− 0.09

0.5

0.39

0.009

− 0.14

0.3

0.20

0.1

0.02

0.9

Isometric strength at admission

0.04

0.7

0.04

0.8

0.61

0.0001

− 0.10

0.5

0.58

0.0003

Calf circumference at admission

− 0.19

0.2

0.26

0.08

− 0.08

0.5

0.94

0.0001

− 0.06

0.6