Table 5.

Comparison of Median Values for Polysomnographic, ESS, and SF-36 Variables for A Partners in All Three Groups

	Group 1		Group 2		Group 3		P-value*
	No-SDB partner of No-SDB	Min-Max	No-SDB partner of SDB	Min-Max	SDB partner of SDB	Min-Max
N	46		42		22
Age (years)	61	45–80	63	47–74	65	51–84	0.14
BMI	26†	19–39	26	22–34	33	22–50	0.0001
RDI 4%	1.3†	0–4.9	1.8	0–4.9	18	11–75	0.0001
Sleep onset lat.	12	0–102	14	0– 53	12	6–80	0.91
Total sleep time	384	239–495	400	333–456	385	221–427	0.14
Sleep efficiency	84	60–96	82	57–95	81	63–92	0.16
Stage 1 %	5	1–15	4	1–10	5	2–18	0.46
Stage 2 %	54	23–70	55	30–71	60	38–80	0.44
Stage 3 and 4 %	17	1–53	21	5–47	14	0.3–47	0.10
REM%	23	9–30	20.3	8–35	21	7–35	0.07
Arousal index	13‡	5–34	13.8§	5–27	19	6–54	0.002
Habitual SOL	15	2–60	15	4–120	15	2–45	0.94
Habitual TST	465	195–540	420	300–600	480	300–720	0.60
ESS	8	0–14	6	0–15	7	1–19	0.52
Physical function	50	28–50	50δ	28–50	44	17–50	0.03
Bodily pain	74	32–100	84	0–100	72	31–100	0.54
General health	77	47–100	82	20–100	77	32–100	0.86
Vitality	65	30–100	73	45–90	65	25–90	0.18
Social function	100	50–100	100	25–100	100	50–100	0.78
Role-emotional	100	0–100	100	0–100	100	0–100	0.49
Mental health	84	40–100	84	32–100	84	56–96	0.69

^*P-value for Kruskal-Wallis test. ESS (Epworth Sleepiness Scale).

^†P-value < 0.0001 for Wilcoxon rank-sum (Mann-Whitney) test between groups 1 and 3.

^‡P-value < 0.0167 for Wilcoxon rank-sum (Mann-Whitney) test between groups 1 and 3.

^§P-value < 0.0001 for Wilcoxon rank-sum (Mann-Whitney) test between groups 2 and 3.

^δP-value < 0.01 for Wilcoxon rank-sum (Mann-Whitney) test between groups 2 and 3.