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. 2014 Jul 3;9(7):e99258. doi: 10.1371/journal.pone.0099258

Table 4. Prevalence and severity of SDB in Participants with BMI < 25 kg/m2.

HIV – All HIV+ P-valuea HIV+/HAART+ HIV+/HAART− P-valueb
(N = 20) (N = 51) (N = 29) (N = 22)
RDI ≥5 events/h, n (%) 15 (75.0) 32 (62.8) 0.41 16 (55.2) 16 (72.7) 0.25
RDI (events/h) 8.2 (5.2–17.0) 9.9 (3.4–21.2) 0.83 7.7 (2.4–15.0) 15.5 (4.7–25.4) 0.02

RDI, respiratory disturbance index.

RDI is defined as the number of apneas and hypopneas (a ≥ 3% desaturation or an arousal) per hour of sleep.

Values shown are N(%) or median (25th percentile–75th percentile).

a

P-values are for comparison of HIV− to HIV+ participants.

b

P-values are for comparison of HIV+/HAART+ to HIV+/HAART− participants.

Comparisons of data represented by medians were performed using the Wilcoxon ranksum test for 2 group comparisons. Comparisons of categorical data represented by percent were performed using chi-square analysis and the Fisher’s exact test.