Table 4 Comparison of the signs of compartment syndrome in the intervention and control groups during the study period

Pain on passive movement

Before the intervention

34 (75.6)

11 (24.4)

39 (86.7)

6 (13.3)

1.81, 0.17

Entering recovery room

41 (91.1)

4 (8.9)

44 (97.8)

1 (2.2)

1.90, 0.16

4 h after entering the ward

41 (91.1)

4 (8.9)

44 (97.8)

1 (2.2)

1.90, 0.16

8 h after entering the ward

40 (88.9)

5 (11.1)

44 (97.8)

1 (2.2)

2.85, 0.09

12 h after entering the ward

39 (86.7)

6 (13.3)

44 (97.8)

1 (2.2)

3.87, 0.04

16 h after entering the ward

36 (80)

9 (20)

43 (95.6)

2 (4.4)

5.07, 0.02

Increasing pain not relived by analgesia

Yes

No

Yes

No

Before the intervention

2 (4.4)

43 (95.6)

1 (2.2)

44 (97.8)

0.34, 0.55

Entering recovery room

6 (13.3)

39 (86.7)

7 (15.6)

38 (84.4)

0.09, 0.76

4 h after entering the ward

9 (20.0)

36 (80.0)

11 (24.4)

34 (75.6)

0.25, 0.61

8 h after entering the ward

3 (6.7)

42 (93.3)

5 (11.1)

40 (88.9)

0.54, 0.45

12 h after entering the ward

1 (2.2)

44 (97.8)

11 (24.4)

34 (75.6)

9.617, 0.002

16 h after entering the ward

0 (0.0)

45 (100)

1 (2.2)

44 (97.8)

1.01, 0.31

Pain at rest

Nil

1–3

4–10

–––-

Nil

1–3

4–10

–––-

Before the intervention

0 (0.0)

2 (1.1)

44 (97.8)

–––-

0 (0.0)

1 (2.2)

44 (97.8)

–––-

0.0, 1.0

Entering recovery room

9 (20.0)

8 (17.8)

28 (62.2)

–––-

15 (33.3)

5 (11.1)

25 (55.6)

–––-

2.36, 0.30

4 h after entering the ward

0 (0.0)

0 (0.0)

45 (100)

–––-

0 (0.0)

0 (0.0)

45 (100)

–––-

It is not possible

8 h after entering the ward

0 (0.0)

0 (0.0)

45 (100)

–––-

0 (0.0)

0 (0.0)

45 (100)

–––-

It is not possible

12 h after entering the ward

0 (0.0)

1 (2.2)

44 (97.8)

–––-

0 (0.0)

1 (2.2)

44 (97.8)

–––-

0.0, 1.0

16 h after entering the ward

0 (0.0)

2 (4.4)

43 (95.6)

–––-

0 (0.0)

1 (2.2)

44 (97.8)

–––-

0.34, 0.55

Edema

Nil

Mild

Moderate

Severe

Nil

Mild

Moderate

Severe

Before the intervention

13 (28.9)

21 (46.7)

8 (17.8)

3 (6.7)

8 (17.8)

22 (48.9)

10 (22.2)

5 (11.1)

1.93, 0.58

Entering recovery room

4 (8.9)

26 (57.8)

13 (28.9)

2 (4.4)

4 (8.9)

26 (57.8)

10 (22.2)

5 (11.1)

1.67, 0.64

4 h after entering the ward

4 (8.9)

26 (57.8)

13 (28.9)

2 (4.4)

4 (8.9)

26 (57.8)

10 (22.2)

5 (11.1)

1.67, 0.64

8 h after entering the ward

4 (8.9)

27 (60.0)

13 (28.9)

1 (2.2)

4 (8.9)

26 (57.8)

10 (22.2)

5 (11.1)

3.07, 0.38

12 h after entering the ward

11 (24.4)

24 (53.3)

10 (22.2)

0 (0.0)

6 (13.3)

28 (62.2)

8 (17.8)

3 (6.7)

5.00, 0.17

16 h after entering the ward

18 (40)

24 (53.3)

3 (6.7)

0 (0.0)

12 (26.7)

27 (60.0)

6 (13.3)

0 (0.0)

2.37, 0.30