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Table 3 Comparison of the neurovascular observation scale in the intervention and control groups during the study period

From: The effect of lemon inhalation aromatherapy on pain, nausea, as well as vomiting and neurovascular assessment in patients for lower extremity fracture surgery: a randomized trial

Neurovascular observation scale

Times

Groups

χ2, p—value

Intervention

Control

Pink/normal

Pale

Dusky

Mottled/Purple

Pink/Normal

Pale

Dusky

Mottled/Purple

Skin color

Before the intervention

36 (80.0)

1 (2.2)

4 (8.9)

4 (8.9)

27 (60.0)

4 (8.9)

9 (20.0)

5 (11.1)

5.12, 0.16

Entering recovery room

37 (82.2)

1 (2.2)

4 (8.9)

3 (6.7)

30 (67.7)

1 (2.2)

5 (11.1)

9 (20.0)

3.84, 0.27

4 h after entering the ward

38 (84.4)

0 (0.0)

4 (8.9)

3 (6.7)

31 (68.9)

0 (0.0)

5 (11.1)

9 (20.0)

3.84, 0.14

8 h after entering the ward

39 (86.7)

0 (0.0)

3 (6.7)

3 (6.7)

31 (68.9)

0 (0.0)

5 (11.1)

9 (20.0)

4.41, 0.11

12 h after entering the ward

41 (91.1)

0 (0.0)

3 (6.7)

1 (2.2)

39 (86.7)

0 (0.0)

3 (6.7)

3 (6.7)

1.05, 0.59

16 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

41 (91.1)

0 (0.0)

2 (4.4)

2 (4.4)

4.18, 0.12

Skin Temperature

 

Normal

Hot

Heated

Cold

Normal

Hot

Heated

Cold

 

Before the intervention

38 (84.4)

0 (0.0)

0 (0.0)

7 (15.6)

32 (71.1)

0 (0.0)

0 (0.0)

13 (28.9)

2.31, 0.12

Entering recovery room

28 (62.2)

0 (0.0)

0 (0.0)

17 (37.8)

24 (53.3)

0 (0.0)

0 (0.0)

21 (46.7)

0.72, 0.39

4 h after entering the ward

42 (93.3)

0 (0.0)

0 (0.0)

3 (6.7)

41 (91.1)

0 (0.0)

0 (0.0)

4 (8.9)

0.15, 0.69

8 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

12 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

16 h after entering the ward

45(100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

Pulse

 

Strong

Weak

Absent

Absent Doppler

Strong

Weak

Absent

Absent Doppler

 

Before the intervention

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

Entering recovery room

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

44 (97.8)

1 (2.2)

0 (0.0)

0 (0.0)

1.01, 0.31

4 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

8 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

12 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

16 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

Movement of lower extremity fingers

 

Normal

Decreased

Limited

Absent

Normal

Decreased

Limited

Absent

 

Before the intervention

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

43 (95.6)

2 (4.4)

0 (0.0)

0 (0.0)

2.04, 0.15

Entering recovery room

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

43 (95.6)

2 (4.4)

0 (0.0)

0 (0.0)

2.04, 0.15

4 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

44 (97.8)

1 (2.2)

0 (0.0)

0 (0.0)

1.01, 0.31

8 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

12 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

16 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

Sensation

 

Present

Decreased

Tingling/Numb

Absent

Present

Decreased

Tingling/Numb

Absent

 

Before the intervention

42 (93.3)

0 (0.0)

3 (6.7)

0 (0.0)

38 (84.4)

0 (0.0)

7 (15.6)

0 (0.0)

It is not possible

Entering recovery room

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

4 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

8 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

12 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

16 h after entering the ward

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

45 (100)

0 (0.0)

0 (0.0)

0 (0.0)

It is not possible

Capillary filing

 

Under 2 s

Over 2 s

Under 2 s

Over 2 s

 

Before the intervention

44 (97.8)

1 (2.2)

44 (97.8)

1 (2.2)

It is not possible

Entering recovery room

44 (97.8)

1 (2.2)

38 (84.4)

8 (15.6)

4.93, 0.02

4 h after entering the ward

45 (100)

0 (0.0)

43 (95.6)

2 (4.4)

2.04, 0.15

8 h after entering the ward

45 (100)

0 (0.0)

45 (100)

0 (0.0)

It is not possible

12 h after entering the ward

45 (100)

0 (0.0)

45 (100)

0 (0.0)

It is not possible

16 h after entering the ward

45 (100)

0 (0.0)

45 (100)

0 (0.0)

It is not possible