Research Article

Metabolic Disorders in HIV-Infected Adolescents Receiving Protease Inhibitors

Table 4

Clinical characteristics of patients and risk factors for metabolic syndrome in HIV-infected adolescents receiving protease inhibitor- (PI-) based highly active antiretroviral therapy (HAART).

Characteristics and factorsMetabolic syndrome
()
Nonmetabolic syndrome
()
Univariate analysis Multivariate analysis
Crude OR
(95% CI)
p valueAdjusted OR
(95% CI)
value

Demographics and anthropometrics
Age (years), median (IQR)19.1 (16.4–21.4)16.5 (14.3–17.6)1.4 (1.07–1.9)0.014
Gender, (%)
 Male5 (62.5)37 (51.4)1.6 (0.3–7.1)0.553
 Female3 (37.5)35 (48.6)1
Family history of CVD or HT, (%)
 Yes3 (37.5)17 (23.6)1.9 (0.4–8.9)0.396
 No5 (62.5)55 (76.4)1
Family history of T2DM, (%)
 Yes4 (50.0)20 (27.8)2.6 (0.6–11.4)0.205
 No4 (50.0)52 (72.2)1
Family history of dyslipidemia, (%)
 Yes3 (37.5)16 (22.2)2.1 (0.4–9.7)0.344
 No5 (62.5)56 (77.8)1
Waist circumference (cm), median (IQR)82 (80.3–94.7)66.2 (61.2–70.1)1.26 (1.1–1.4)0.001
BMI (kg/m2), median (IQR)23.4 (22.3–26.9)17.6 (16.1–19.4)2.1 (1.3–3.4)0.001
Percentage weight-for-height (%), median (IQR)128.7 (119.6–139.4)98.5 (87.8–106.1)1.15 (1.06–1.24)<0.001
Waist-to-height ratio, median (IQR)0.54 (0.51–0.58)0.43 (0.39–0.46)1.46 × 1017 (2.72 × 1017 to 7.88 × 1026)0.001
Obesity, (%)8 (100)7 (9.7)<0.001
SBP (mmHg), median (IQR)125 (119–129)113 (105–119)1.18 (1.05–1.32)0.004
DBP (mmHg), median (IQR)77 (68–88)69 (64–73)1.12 (1.02–1.22)0.018
High blood pressure, (%)
 Yes3 (37.5)4 (5.6)10.2 (1.8–58.7)0.009
 No5 (62.5)68 (94.4)1
Acanthosis nigricans, (%)5 (62.5)6 (8.3)18.3 (3.5–96.2)0.001
Lipoatrophy, (%)1 (12.5)21 (29.2)0.3 (0.04–3.0)0.336
Lipohypertrophy, (%)4 (50.0)4 (5.6)17 (3.1–94.4)0.00125.7 (3.2–202.8)0.002
Lipodystrophy, (%)4 (50.0)22 (30.6)2.3 (0.5–9.9)0.275
Tanner staging, (%)
 Pre-pubertal stage0 (0.0)5 (6.9)
 Pubertal stage8 (100.0)67 (93.1)
Metabolic parameters
Total cholesterol (mmol/L), median (IQR)5.58 (4.53–6.95)4.34 (3.90–5.04)1.03 (1.007–1.04)0.005
Triglycerides (mmol/L), median (IQR)4.44 (1.88–5.03)1.48 (1.06–2.19)1.005 (1.00–1.009)0.032
LDL-cholesterol (mmol/L), median (IQR)2.57 (2.27–4.13)2.40 (2.05–2.93)1.022 (0.99–1.046)0.057
HDL-cholesterol (mmol/L), median (IQR)1.05 (0.91–1.11)1.22 (1.02–1.45)0.95 (0.89–1.01)0.107
FPG (mmol/L), median (IQR)5.00 (4.44–7.41)4.63 (4.39–4.91)1.06 (1.00–1.12)0.050
2-hour PG (mmol/L), median (IQR)8.77 (7.16–13.15)6.58 (5.50–7.30)1.03 (1.0–1.06)0.007
Fasting insulin (pmol/L), median (IQR)177 (142–304)91 (58–131)1.02 (0.99–1.04)0.157
2-hour insulin (pmol/L), median (IQR)1793 (790–3552)586 (376–1463)1.002 (1.0–1.004)0.049
HOMA-IR, median (IQR)6.2 (5.0–8.9)2.7 (1.7–4.0)1.1 (1.0–1.2)0.048
HbA1c (%), median (IQR)5.4 (5.2–6.9)5.2 (4.9–5.5)3.8 (0.9–16.2)0.072
HIV-specific disease characteristic
CDC stage, (%)
 Severely symptomatic (Stage C)3 (37.5)22 (30.6)1.36 (0.3–6.2)0.689
 Nonsevere stage5 (62.5)50 (69.4)1
Nadir CD4 cell counts (cells/mm3), median (IQR)107.5 (35.5–244)184 (33–395)0.99 (0.99–1.00)0.348
 <100 cells/mm3, (%)3 (37.5)28 (39.4)1
 100–350 cells/mm3, (%)4 (50.0)22 (31.0)1.7 (0.3–8.4)0.516
 >350 cells/mm3, (%)1 (12.5)21 (29.6)0.4 (0.04–4.6)0.496
CD4 cell counts (cells/mm3), median (IQR)682 (490–832)656 (525.5–802)0.99 (0.997–1.001)0.664
 <350 cells/mm3, (%)1 (12.5)9 (12.5)1
 350–500 cells/mm3, (%)1 (12.5)6 (8.3)1.5 (0.08–28.9)0.788
 >500 cells/mm3, (%)6 (75.0)57 (79.2)0.95 (0.1–8.8)0.962
Viral load (copies/mL), median (IQR)40 (40-40)40 (40-40)0.99 (0.99–1.00)0.731
 ≤40 copies/mL, (%)7 (87.5)57 (79.2)1.8 (0.2–16.2)0.581
 >40 copies/mL, (%)1 (12.5)15 (20.8)1
Duration of PIs (months), median (IQR)89.3 (70.4–123.0)72.3 (53.2–80.0)1.027 (1.001–1.05)0.0381.04 (1.00–1.08)0.023
Duration of HAART (months), median (IQR)126.7 (90.7–129.1)106.5 (78.8–129.7)1.007 (0.98–1.03)0.546
Ever received didanosine ≥ 6 months, (%)6 (75.0)50 (69.4)1.32 (0.25–7.1)0.746
Ever received stavudine ≥ 6 months, (%)7 (87.5)44 (61.1)4.4 (0.5–38.2)0.1739.5 (0.5–165.4)0.122
Ever received tenofovir ≥ 6 months, (%)6 (75.0)51 (70.8)1.2 (0.2–6.6)0.805
Ever received zidovudine ≥ 6 months, (%)8 (100.0)65 (90.3)
Ever received efavirenz ≥ 6 months, (%)4 (50.0)39 (54.2)0.8 (0.2–3.6)0.823
Ever received nevirapine ≥ 6 months, (%)3 (37.5)31 (43.1)0.8 (0.18–3.6)0.763
Ever received lopinavir/ritonavir ≥ 6 months, (%)8 (100.0)71 (98.6)
Ever received atazanavir ≥ 6 months, (%)4 (50.0)19 (26.4)2.8 (0.6–12.3)0.175
Ever received darunavir ≥ 6 months, (%)3 (37.5)10 (13.9)3.7 (0.8–18.1)0.103
Ever received indinavir ≥ 6 months, (%)8 (100.0)32 (44.4)0.005
Ever received full dose ritonavir ≥ 6 months, (%)1 (12.5)7 (9.7)1.3 (0.14–12.4)0.804

Input variables: age, gender, family history of T2DM, family history of dyslipidemia, PI duration, lipohypertrophy, and exposure to stavudine ≥6 months.
Fisher’s exact test. Viral load ≤ 40 copies/mL was expressed as 40 in the statistical analysis.
OR, odds ratio; CI, confidence interval; IQR, interquartile range; CVD, cardiovascular disease; HT, hypertension; T2DM, type 2 diabetes mellitus; SBP, systolic blood pressure; DBP, diastolic blood pressure; CDC, Centers for Disease Control; FPG, fasting plasma glucose; PG, plasma glucose.