From: Primary monosymptomatic nocturnal enuresis: an etiological study
 | Group I | Group II | t test | |||
---|---|---|---|---|---|---|
Range | Mean ± SD | Range | Mean ± SD | t value | p value | |
Total sleep time (h) | 5.2–8.7 | 6.8 ± 1 | 5.9–8.3 | 6.9 ± 0.7 | 0.233 | 0.816 |
Sleep efficiency (%) | 68–94 | 81.2 ± 5.9 | 74–92 | 82.3 ± 4.7 | 0.67 | 0.503 |
Stage 1 latency (min) | 9–22 | 15.5 ± 3.4 | 9–23 | 15.7 ± 4.2 | 0.17 | 0.86 |
Stage 2 latency (min) | 11–24 | 17.7 ± 3.6 | 12–25 | 17.8 ± 4 | 0.12 | 0.90 |
Deep sleep latency (min) | 13–26 | 19.5 ± 3.6 | 19–33 | 25.9 ± 3.7 | 6.58 | < 0.0001* |
REM latency (min) | 64–105 | 84.7 ± 11.9 | 63–102 | 85.9 ± 10.4 | 0.34 | 0.73 |
N1% TST | 2–7 | 4.6 ± 1.6 | 3–8 | 5.5 ± 1.4 | 2.26 | 0.027* |
N2% TST | 11–46 | 28.7 ± 11.3 | 43–57 | 52.3 ± 3.5 | 9.09 | < 0.0001* |
N3% TST | 25–86 | 54 ± 18.4 | 11–27 | 20.1 ± 4 | 8.13 | < 0.0001* |
REM % TST | 3–22 | 12.8 ± 6 | 14–28 | 22.1 ± 3.8 | 6.29 | < 0.0001* |
SSTI (/h) | 6.8–30.8 | 19.5 ± 6.4 | 6.7–14.3 | 9.7 ± 2.3 | 6.74 | < 0.0001* |
AHI (/h) | 0–3.2 | 1.4 ± 0.8 | 0.2–3.1 | 1.4 ± 0.8 | 0.149 | 0.88 |
PLMs index (/h) | 2.8–12.6 | 6.7 ± 2.6 | 2.5–11.3 | 4.77 ± 0.8 | 3.24 | 0.002* |
Snore index (/h) | 1.7–60.3 | 15.2 ± 15.9 | 2.9–13.2 | 6.5 ± 2.9 | 2.42 | 0.018* |