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Table 1 Demographic and clinical characteristics of premature infants by groups

From: The effect of combined non-pharmacological interventions on venous blood sampling pain in preterm infants: a clinical trial study

Variables

Sub-variables

Total

n = 88

N (%)

Or

Mean ± SD

Groups

N (%) Or Mean ± SD

P-value

Sucrose

n = 22

Scrose + swaddle

n = 22

Sucrose + non nutrition sucking

n = 22

sucrose + swaddle+

non nutrition sucking

n = 22

Diagnosis

prematurity

46 (52.3)

11 (23.9)

13 (28.3)

15 (32.6)

7 (15.2)

0.316*

hyper

bilirubinemia

14 (15.9)

4 (28.6)

3 (21.4)

2 (14.3)

5 (35.7)

Sepsis

2 (2.3)

2 (100.0)

0 (0.0)

0 (0.0)

0 (0.0)

transient tachypnea

2 (2.3)

0 (0.0)

0 (0.0)

1 (50.0)

1 (50.0)

respiratory distress syndrome

(RDS)

21 (23.9)

5 (23.8)

5 (23.8)

4 (19.0)

7 (33.3)

very low weight

3 (3.4)

0 (0.0)

1 (33.3)

0 (0.0)

2 (66.7)

Delivery type

natural delivery

8 (9.1)

3 (37.5)

0 (0.0)

3 (37.5)

2 (25.0)

0.348*

cesarean

80 (90.9)

19 (23.8)

22 (27.5)

19 (23.8)

20 (25.0)

Gender

boy

46 (52.3)

13 (28.3)

10 (21.7)

13 (28.3)

10 (21.7)

0.650*

girl

42 (47.7)

9 (21.4)

12 (28.6)

9 (21.4)

12 (28.6)

Gestational age (week)

33.89 ± 1.67

33.77 ± 1.60

33.50 ± 1.84

34.13 ± 1.30

34.16 ± 1.88

Age (day)

4.56 ± 3.76

4.50 ± 4.11

4.73 ± 3.95

4.91 ± 3.53

4.09 ± 3.66

0.905**

Weight (gr)

2167.16 ± 569.26

2150.91 ± 451.43

1975.91 ± 535.42

2300.68 ± 514.76

2241.14 ± 723.94

0.255**

Apgar (min 1)

8.53 ±

0.58

8.59 ± 0.66

8.45 ± 0.51

8.50 ± 0.59

8.59 ± 0.59

0.832**

Apgar (min 5)

9.60 ± 0.59

9.64 ± 0.65

9.41 ± 0.66

9.59 ± 0.59

9.77 ± 0.42

0.246**

  1. *(chi-square) & Fisher exact test
  2. **Analysis of variance (One way ANOVA)