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Table 2 Clinical Characteristic Comparisons by BDI-II Depression and PSQI Sleep Disturbance Groups

From: Sleep disturbance, depression and pain in adults with sickle cell disease

Demographic Variables

BDI < 17

BDI ≥ 17

p 1

PSQI < 6

PSQI ≥ 6

p 1

 

N

Median (IQR) 2

N

Median (IQR) 2

 

N

Median (IQR) 2

N

Median (IQR) 2

 

Age

250

34 (27–47)

65

35 (27–45)

.95

90

31 (23–45)

223

36 (29–47)

.009

BMI (kg/m2)

245

24 (22–27)

63

24 (21–27)

.12

89

23 (20–27)

217

24 (22–28)

.016

Female, N (%)

250

119 (48)

65

40 (62)

.052

90

42 (47)

223

118 (53)

.32

SS/Sβ0 thalassemia, N (%)

250

212 (85)

65

53 (82)

.57

90

78 (87)

223

184 (83)

.40

Clinical History

          

Headache, N (%)

250

92 (37)

64

36 (53)

.007

90

24 (27)

222

105 (47)

<.001

Stroke, N (%)

230

32 (14)

56

6 (11)

.66

81

14 (17)

204

23 (11)

.18

Acute Chest Syndrome, N (%)

248

201 (81)

65

52 (80)

.86

90

70 (78)

223

184 (83)

.34

Hydroxyurea therapy, N (%)

250

120 (48)

65

31 (48)

>.99

90

42 (47)

223

106 (48)

.90

Mild + Moderate Pain (days)

244

11 (2–72)

60

25 (4–126)

.040

88

4 (2–24)

214

23 (4–120)

<.001

Severe + Extreme Pain (events)

250

2 (0–5)

65

3 (0–10)

.009

90

0 (0–2)

223

3 (0–9)

<.001

Current Narcotic Use, N (%)

250

159 (64)

65

47 (72)

.24

90

53 (59)

223

153 (69)

.11

Laboratory Measures

          

Hemoglobin (g/dL)

250

9.1 (7.8-10.4)

65

8.5 (7.4-9.8)

.050

90

9.3 (8.1-10.4)

223

8.9 (7.6-10.3)

.20

Hemoglobin F (%)

250

5.7 (1.9-12.5)

65

6.0 (3.1-10.7)

.97

90

5.1 (1.8-13.2)

223

6.0 (2.7-11.7)

.76

Oxygen Saturation (%)

248

97 (95–99)

65

97 (95–99)

.97

89

98 (96–99)

222

97 (95–99)

.093

  1. 1Pearson’s chi-square or Fisher’s exact test for categorical comparisons; Wilcoxon rank-sum for comparison of medians.
  2. 2Unless otherwise indicated.