TABLE 2:
Social Demographic and Haematological Predictors of Dengue Positive Results among Febrile Patients At Kairuki Hospital, 2019
| Variables | Dengue serology test | COR | 95% Cl | P value | AOD | 95% Cl | P value | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Positive N (%) | Negative N (%) | TOTAL | Lower | Upper | Lower | Upper | |||||
| Residence(Municipal) | |||||||||||
| Kinondoni | 84(37.3) | 25(44.7) | 109(42.7) Ref | ||||||||
| Ubungo | 34(18.1) | 12(17.9) | 46(18.0) | 1.800 | 0.834 | 3.887 | 0.135 | ||||
| Ilala | 24(12.8) | 12(17.9) | 36(14.1) | 1.518 | 0.612 | 3.76 | 0.368 | ||||
| Temeke | 18(9.6) | 3(4.5) | 21(8.2) | 1.071 | 0.421 | 2.728 | 0.885 | ||||
| Others | 28(14.9) | 15(22.4) | 43(16.9) | 3.214 | 0.814 | 12.6 | 0.096 | 2.991 | 0.640 | 13.97 | 0.164 |
| TOTAL | 188(100) | 67(100) | 225(100) | ||||||||
| Age of participants | |||||||||||
| Below 20 years | 8(4.3) | 1(1.5) | 9(3.5) Ref | ||||||||
| Between 21–40 years | 11(4.9) | 3(4.5) | 14(5.5) | 2.462 | 0.232 | 26.1 | 0.455 | 3.727 | 0.267 | 51.93 | 0.328 |
| Between 41–60 years | 59(88.1) | 156(83) | 215(84.5) | 1.128 | 0.206 | 6.16 | 0.889 | ||||
| Above 60 years | 13(6.9) | 4(6.0) | 17(6.7) | 0.814 | 0.255 | 2.59 | 0.727 | ||||
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Sex | |||||||||||
| Male | 100(53.2) | 30(44.8) | 130(52) | 1.402 | 0.800 | 2.45 | 0.238 | 1.334 | .665 | 2.675 | 0.418 |
| Female | 88(46.8) | 37(55.2) | 125(49) Ref | ||||||||
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Platelet count(×l09/L) | |||||||||||
| 0.Normal (100–300) | 144(76.6) | 52(77.6) | 196(76.9) Ref | ||||||||
| Low (<100) | 19(10.1) | 7(10.4) | 26(10.2) | 0.886 | 0.376 | 2. OS | 0.782 | ||||
| Elevated>300 | 25(13.3) | 8(11.9) | 33(12.9) | 0.869 | 0.268 | 2.SI | 0.814 | ||||
| TOTAL | 188(100) | 67(100) | 225(100) | ||||||||
| Hematocrit (%) | |||||||||||
| Low (<35) | 52(27.7) | 17(25.4) | 69(27.1) Ref | ||||||||
| Normal (35–55) | 134(71.3) | 48(71.6) | 182(71.4) | 3.059 | 0.400 | 23.4 | 0.282 | 7.256 | .287 | 183.7 | 0.229 |
| Elevated (>55) | 2(1.1) | 2(3) | 4(1.6) | 2.792 | 0.383 | 20.3 | 0.311 | 1.785 | .099 | 32.26 | 0.695 |
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Haemoglobin(g/dl) | |||||||||||
| Low (<12) | 45(23.9)2 | 0(29.9) | 65(25.50 Ref | ||||||||
| Normal (12–16) | 140(74.5) | 45(67.2) | 185(72.5) | 1.500 | 0.232 | 9.6 | 0.670 | ||||
| Elevated (>16) | 3(1.6) | 2(3) | 5(2) | 2.074 | 0.336 | 12.8 | 0.432 | ||||
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Red blood cell count (×l012/L) | |||||||||||
| Low (<3.5) | 6(3.2) | 2(3) | 8(3.1) Ref | ||||||||
| Normal (3.5–5.5) | 170(90.4) | 58(86.6) | 228(89.4) | 1.750 | .275 | 11.1 | 0.554 | ||||
| Elevated (>5.5) | 12(6.4) | 7(10.4) | 19(7.5) | 1.710 | .643 | 4.5 | 0.283 | ||||
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Oesonophil absolute count (× 109/L) | |||||||||||
| Low (<0.02) | 5(2.7) | 1(1.5) | 6(2.4) Ref | ||||||||
| Normal (0.02–0.5) | 182(96.8) | 63(94) | 245(96.1) | 15. | 0.663 | 339.5 | 0.089 | 9.508 | .233 | 388.4 | 0.234 |
| Elevated (>0.5) | 1(0.5) | 3(4.5) | 4(1.6) | 8.667 | 0.885 | 84.8 | 0.064 | 6.659 | .510 | 86.8 | 0.148 |
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Total white Blood cells count (× 109/L) | |||||||||||
| Normal (4-10) | 102(54.3) | 52(77.6) | 154(60.4) Ref | ||||||||
| Low (<4) | 81(43.1) | 13(19.4) | 94(36.9) | 0.785 | 0.147 | 4.1 | .776 | 0.450 | 0.035 | 5.842 | .541 |
| Elevated (>10) | 5(2.7) | 2(3) | 7(2.7) | 2.492 | 0.437 | 14.2 | .304 | 1.862 | 0.115 | 30.22 | .662 |
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Neutrophil absolute count (× 109/L) | |||||||||||
| Low (<2) | 66(35.1) | 15(22.4) | 81(31.8) Ref | ||||||||
| Normal (2–7) | 111(59) | 48(71.6) | 159(62.4) | 1.6 | 0.447 | 5.7 | .470 | ||||
| Elevated (>7) | 11(5.9) | 4(6) | 15(5.9) | .841 | 0.255 | 2.7 | .776 | ||||
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Lymphocyte absolute count (×l09/L) | |||||||||||
| Low (<20) | 87(45.3) | 11(16.4) | 98(38.4) | ||||||||
| Normal (20–40) | 101(53.7) | 56(83.6) | 157(61.6) Ref | ||||||||
| TOTAL | 188(100) | 67(100) | 225(100) | ||||||||
| Basophil absolute count (× 109/L) | |||||||||||
| Low (<0.01) | 15(8) | 8(11.9) | 23(9) Ref | ||||||||
| Normal(0.01–0.1) | 173(92) | 59(88.1) | 232(91) | 0.639 | 0.258 | 1.5 | .334 | 0.617 | .208 | 1.825 | .383 |
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
| Monocyte Absolute count (× 109/L) | |||||||||||
| Low (<0.12) | 21(11.2) | 4(6) | 25(9.8) | 1.981 | .654 | 5.9 | 0.227 | 1.129 | .283 | 4.511 | .864 |
| Normal (0.12–1.2) | 167(88.8) | 63(94) | 230(90.2) Ref | ||||||||
| TOTAL | 188(100) | 67(100) | 255(100) | ||||||||
COR=Crude Odd Ratio, OR=Adjusted Odd Ratio, CI=Confidence Interval