MtDNA variations | MtDNA haplogroups | Controls (n = 615) [n(%)] | Severe cases (n = 451) [n(%)] | P value (χ2)a | Adjusted P valueb | OR (95% CI) b |
---|---|---|---|---|---|---|
A663G | A | 39 (6.34) | 38 (8.43) | 0.231 | 0.141 | 1.451 (0.884–2.381) |
8281–8289d c | B | 118 (19.19) | 78 (17.29) | 0.472 | 0.202 | 0.796 (0.561–1.130) |
C5178a c | D | 176 (28.62) | 85 (18.85) | < 0.001 | 0.001 | 0.590 (0.428–0.814) |
A249d/T6392C/G10310A | F | 129 (20.98) | 66 (14.63) | 0.008 | 0.020 | 0.654 (0.457–0.936) |
A4833G | G | 16 (2.60) | 29 (6.43) | 0.003 | 0.015 | 2.336 (1.179–4.608) |
T9824C | M7 | 33 (5.37) | 36 (7.98) | 0.101 | 0.390 | 0.795 (0.472–1.341) |
A4715G | M8 (M8a + C + Z) | 36 (5.85) | 53 (11.75) | 0.001 | 0.005 | 2.033 (1.242–3.322) |
T3394C | M9 | 18 (2.93) | 28 (6.21) | 0.010 | 0.002 | 3.040 (1.522–6.061) |
T489C/C10400T/T14783C/G15043A | M* (M2 + M10 + M11 + M13a + M) | 32 (5.20) | 17 (3.77) | NA | ||
G5417A/C16257a/C16261T | N9a | 11 (1.79) | 19 (4.21) | 0.023 | 0.018 | 2.890 (1.199–6.993) |
T1391C/T16311C | R1 | 7 (1.14) | 2 (0.44) | 0.316 | 0.358 | 0.460 (0.088–2.410) |