Table 1 Demographics and clinical features of confirmed and ruled-out cases with SFTSV infection in Eastern China, 2010–2015.
Characteristics | All Clinical SFTS Cases | P value | Confirmed SFTS Cases | P value | ||
---|---|---|---|---|---|---|
Confirmed SFTS Cases (N = 286) | Ruled-out Cases (N = 324) | Fatal (N = 46) | Not-Fatal (N = 240) | |||
Demographics No. (%) | ||||||
Age (years) | ||||||
<30 | 2(0.7) | 24(7.4) | <0.001 | 0(0) | 2(0.8) | 0.53 |
30–60 | 135(47.2) | 193(59.6) | 0.002 | 8(17.4) | 127(52.9) | <0.001 |
>60 | 149(52.1) | 107(33.0) | <0.001 | 38(82.6) | 111(46.3) | <0.001 |
Sex | ||||||
Male | 142(49.6) | 169(52.2) | 0.54 | 22(47.8) | 122(50.8) | 0.71 |
Female | 144(50.4) | 155(47.8) | 0.54 | 24(52.2) | 120(49.2) | 0.79 |
Marital status | ||||||
Married | 236(82.5) | 260(80.2) | 0.47 | 40(87.0) | 196(81.7) | 0.39 |
Not married | 50(17.5) | 64(19.8) | 0.47 | 6(13.0) | 44(18.3) | 0.39 |
Occupation | ||||||
Farming | 253(88.5) | 212(65.4) | <0.001 | 42(91.3) | 211(87.9) | 0.51 |
Non-farming | 33(11.5) | 112(34.6) | <0.001 | 4(8.7) | 29(12.1) | 0.51 |
Tick bites | 75(26.2) | 26(8.0) | <0.001 | 10(21.7) | 65(27.1) | 0.45 |
Clinical features No. (%) | ||||||
Fever | 286(100.0) | 324(100.0) | — | 46(100) | 240(100) | — |
Chilly | 165(57.7) | 162(50.0) | 0.07 | 35(54.3) | 130(54.2) | 0.42 |
Fatigue | 136(47.6) | 130(40.1) | 0.08 | 23(50.0) | 113(47.1) | 0.87 |
Headache | 143(50.0) | 149(46.0) | 0.32 | 28(60.9) | 115(47.9) | 0.11 |
Myalgia | 168(58.7) | 187(57.7) | 0.88 | 29(63.0) | 139(57.9) | 0.74 |
Nephralgia | 28(9.8) | 33(10.2) | 0.87 | 6(13.0) | 22(9.2) | 0.42 |
Lymphadenopathy | 61(21.3) | 20(6.2) | <0.001 | 10(21.7) | 51(21.3) | 0.83 |
Anorexia | 232(81.1) | 268(82.7) | 0.61 | 43(93.5) | 209(78.8) | 0.22 |
Nausea | 198(69.2) | 201(62.0) | 0.06 | 31(67.4) | 167(69.6) | 0.77 |
Vomiting | 122(42.7) | 136(42.0) | 0.86 | 22(47.8) | 100(41.7) | 0.44 |
Abdominal pain | 78(27.2) | 92(28.4) | 0.76 | 14(30.4) | 64(26.7) | 0.86 |
Abdominal distension | 65(22.7) | 76(23.5) | 0.80 | 12(26.1) | 53(22.1) | 0.55 |
Diarrhea | 155(54.2) | 109(33.6) | <0.001 | 26(56.5) | 129(53.8) | 0.73 |
Conjunctival congestion | 43(15.0) | 19(6.6) | <0.001 | 30(65.2) | 13(5.4) | <0.001 |
Skin petechiae | 56(19.6) | 41(12.7) | 0.02 | 31(67.4) | 25(10.4) | <0.001 |
Gum bleed | 49(17.1) | 31(9.6) | 0.01 | 31(67.4) | 18(7.5) | <0.001 |
Haematemesis | 36(12.6) | 21(6.3) | 0.01 | 27(58.7) | 19(7.9) | <0.001 |
Leukopenia | 216(75.5) | 56(17.3) | <0.001 | 41(89.1) | 175(72.9) | 0.02 |
Thrombocytopenia | 191(66.8) | 126(38.9) | <0.001 | 45(97.8) | 146(60.8) | <0.001 |