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. 2009 Jan 1;32(1):83–90.

Table 2.

Cyclic Alternating Pattern and Arousal Parameters

Group
1 (n = 9) (TA and HVS)
2 (n = 6) (HVS and rudimental spindles)
3 (n = 8) (SW and spindles)
Mann-Whitney test (P<)
Mean SD Mean SD Mean SD 2 vs 3
CAP rate, % NS
in HVS 7.4 3.57
in NREM sleep 12.9 2.21
A1,% 69.7 31.34 85.2 11.5 NS
A2,% 17.4 18.97 10.3 7.1 NS
A3,% 4.3 3.76 4.4 5.34 NS
A1 index, no./h 6.7 3.81 19.8 4.55 0.005
A2 index, no./h 5.1 6.59 2.8 1.62 NS
A3 index, no./h 0.7 0.84 0.5 0.75 NS
A mean duration, s 6.4 0.94 6.8 2.92 7.7 1.54 NS
B mean duration, s 10.01 2.31 23.0 5.05 19.8 3.67 NS
A1 mean duration, s 6.0 2.63 6.5 1.51 NS
A2 mean duration, s 5.9 4.9 11.6 6.27 NS
A3 mean duration, s 10.6 8.84 13.4 16.7 NS
Cortical arousal index 16.0 3.28 11.9 10.65 10.5 3.49 NS
Subcortical activation index 2.6 2.09 3.1 0.84 4.2 2.75 NS

Abbreviations: HVS refers to high-voltage slow activity; SW, = slow waves; NS, not significant.