Skip to main content

Table 2 Subject responses and mean scores for PSQ items

From: Validation of the post sleep questionnaire for assessing subjects with restless legs syndrome: results from two double-blind, multicenter, placebo-controlled clinical trials

Overall sleep quality

    

   Excellent, n (%)

3 (0.6)

98 (20.1)

78 (16.6)

91 (20.2)

   Reasonable, n (%)

209 (38.7)

294 (60.2)

293 (62.2)

279 (61.9)

   Poor, n (%)

328 (60.7)

96 (19.7)

100 (21.2)

81 (18.0)

   Mean PSQ score (SD)

2.602 (0.501)

1.996 (0.631)

2.047 (0.614)

1.978 (0.618)

Daytime functioning

    

   Excellent, n (%)

35 (6.5)

146 (29.9)

163 (34.6)

159 (35.3)

   Good, n (%)

240 (44.4)

238 (48.8)

222 (47.1)

220 (48.8)

   Moderate, n (%)

230 (42.6)

95 (19.5)

80 (17.0)

63 (14.0)

   Poor, n (%)

35 (6.5)

9 (1.8)

6 (1.3)

9 (2.0)

   Mean PSQ score (SD)

2.491 (0.714)

1.932 (0.751)

1.849 (0.738)

1.827 (0.737)

Frequency of nighttime RLS symptoms

    

   0

0

83 (17.0)

99 (21.0)

109 (24.2)

   1

9 (1.7)

144 (29.5)

133 (28.2)

126 (27.9)

   2

46 (8.5)

107 (21.9)

103 (21.9)

77 (17.1)

   3

187 (34.6)

61 (12.5)

57 (12.1)

67 (14.9)

   4

298 (55.2)

93 (19.1)

79 (16.8)

72 (16.0)

   Mean PSQ score (SD)

3.433 (0.719)

1.871 (1.360)

1.754 (1.363)

1.705 (1.397)

Frequency of RLS-related sleep disturbance

    

   No RLS symptoms

0

83 (17.0)

99 (21.0)

109 (24.2)

   0 times

59 (10.9)

135 (27.7)

111 (23.6)

115 (25.5)

   1-2 times

262 (48.5)

203 (41.6)

205 (43.5)

184 (40.8)

   3-4 times

163 (30.2)

49 (10.0)

48 (10.2)

36 (8.0)

   ≥5 times

56 (10.4)

18 (3.7)

8 (1.7)

7 (1.6)

   Mean PSQ score (SD)

2.400 (0.817)

1.557 (1.006)

1.480 (0.989)

1.373 (0.986)

RLS-related sleep latency (time awake)

    

   No RLS symptoms

0

83 (17.0)

99 (21.0)

109 (24.2)

   Did not wake-up

59 (10.9)

135 (27.7)

111 (23.6)

115 (25.5)

   <1 hour

240 (44.4)

176 (36.1)

180 (38.2)

160 (35.5)

   1-<2 hours

133 (24.6)

67 (13.7)

57 (12.1)

45 (10.0)

   2-<3 hours

74 (13.7)

12 (2.5)

18 (3.8)

12 (2.7)

   ≥3 hours

34 (6.3)

15 (3.1)

6 (1.3)

10 (2.2)

   Mean PSQ score (SD)

2.600 (1.055)

1.662 (1.165)

1.580 (1.136)

1.481 (1.167)

  1. PSQ, Post Sleep Questionnaire; RLS, Restless Legs Syndrome; SD, standard deviation.
  2. 1All responses were based on experiences during the previous week.
  3. Higher PSQ scores correspond to worse symptoms.
Back to article page

BMC Neurology

ISSN: 1471-2377

Contact us