Table 3.

Prevalence of poor sleep quality

	Time points
	Pre-Transplant n = 223	One Month Post- Transplant n = 219	Three Months Post- Transplant n = 203	Six Months Post- Transplant n = 188	Twelve Months Post-Transplant n = 177
Sleep Dimensions	%	%	%	%	%
Global Sleep Quality
Good (≤5)	44.0	31.1	44.3	47.3	52.0
Poor (>5)	56.0	68.9	55.7	52.7	48.0
Poor (>8)	35.0	41.1	29.6	25.5	26.0
Subjective Sleep
Very Good	24.2	14.2	25.1	26.6	29.9
Fairly Good	54.7	62.1	60.1	62.8	58.2
Fairly Bad	19.3	21.9	12.8	9.0	11.9
Very Bad	1.8	1.8	2.0	1.6	0.0
Sleep Latency (min)
0–15	25.0	29.8	31.0	32.6	33.5
16–30	40.9	35.8	40.4	36.4	38.1
31–60	20.5	19.3	14.8	19.3	17.6
>60	13.6	15.1	13.8	11.8	10.8
Sleep Duration (hrs)
<5	5.4	6.4	0.5	2.1	2.3
5–6	9.5	11.0	6.4	6.4	5.2
>6–7	19.4	19.7	16.3	17.5	16.2
>7	65.8	62.8	76.9	74.1	76.3
Sleep Efficiency (%)
<65	11.7	21.1	7.1	8.6	5.9
64–74	10.8	10.3	8.2	8.6	9.4
75–85	20.6	21.1	25.5	20.9	21.8
>85	57.0	47.4	59.2	62.0	62.9
Nighttime Disturbance
0 times per week	3.6	0.9	3.9	4.3	4.5
<1 times per week	53.4	57.5	57.6	57.5	54.2
1–2 times per week	39.9	39.3	33.5	36.7	37.9
≥3 times per week	3.1	2.3	4.9	1.6	3.4
Daytime Dysfunction
0 times per week	33.2	18.6	25.1	32.3	29.4
<1 times per week	48.0	52.9	59.6	50.3	52.5
1–2 times per week	14.8	23.5	13.3	13.8	15.3
≥3 times per week	4.0	5.0	2.0	3.7	2.8
Sleep Medication Use
Yes	47.7	62.6	48.8	42.8	38.4
No	52.3	37.4	51.2	57.2	61.6

Note. Global sleep cutoff score of 5 indicates poor sleep.²³ Global sleep cutoff score of 8 can also been used for seriously ill populations.²⁴