TABLE 2.
The risk of CFR based on age, sex and comorbidity stratifications in SFTS patients.
| Characteristics | Total (n = 2,938) | Survival (n = 2,488) | Fatal (n = 450) | Adjusted OR (95%CI) | P value |
| Age stratification, n (%) | |||||
| ≤60 years old | |||||
| Female | 735 (61.7) | 697 (94.8) | 38 (5.2) | Reference | |
| Male | 456 (38.3) | 424 (93.0) | 32 (7.0) | 1.38 (0.85–2.26) | 0.196* |
| 60–70 years old | |||||
| Female | 603 (59.6) | 502 (83.3) | 101 (16.7) | Reference | |
| Male | 408 (40.4) | 335 (82.1) | 73 (17.9) | 1.07 (0.77–1.50) | 0.683* |
| >70 years old | |||||
| Female | 386 (52.4) | 290 (75.1) | 96 (24.9) | Reference | |
| Male | 350 (47.6) | 240 (68.6) | 110 (31.4) | 1.38 (1.00–1.91) | 0.049* |
| Sex stratification, n (%) | |||||
| Female | |||||
| ≤60 years old | 735 (42.6) | 697 (94.8) | 38 (5.2) | Reference | |
| 60–70 years old | 603 (35.0) | 502 (83.3) | 101 (16.7) | 3.18 (2.14–4.73) | <0.001* |
| >70 years old | 386 (22.4) | 290 (75.1) | 96 (24.9) | 5.30 (3.54–7.95) | <0.001* |
| Male | |||||
| ≤60 years old | 456 (37.6) | 424 (93.0) | 32 (7.0) | Reference | |
| 60–70 years old | 408 (33.6) | 335 (82.1) | 73 (17.9) | 2.72 (1.74–4.24) | <0.001* |
| >70 years old | 350 (28.8) | 240 (68.6) | 110 (31.4) | 5.76 (3.75–8.84) | <0.001* |
| Comorbidity stratification, n (%) | |||||
| Non-comorbidity | |||||
| Female | 1,141 (59.6) | 1,024 (89.7) | 117 (10.3) | Reference | |
| Male | 775 (40.4) | 651 (84.0) | 124 (16.0) | 1.55 (1.17–2.06) | 0.002# |
| Any-comorbidity | |||||
| Female | 583 (57.0) | 465 (79.8) | 118 (20.2) | Reference | |
| Male | 439 (43.0) | 348 (79.3) | 91 (20.7) | 0.94 (0.69–1.29) | 0.700# |
| Comorbidity stratification, n (%) | |||||
| Non-comorbidity | |||||
| ≤60 years old | 892 (46.6) | 850 (95.3) | 42 (4.7) | Reference | |
| 60–70 years old | 597 (31.2) | 513 (85.9) | 84 (14.1) | 3.11 (2.11–4.59) | <0.001† |
| >70 years old | 427 (22.3) | 312 (73.1) | 115 (26.9) | 6.86 (4.69–10.02) | <0.001† |
| Any-comorbidity | |||||
| ≤60 years old | 299 (29.3) | 271 (90.6) | 28 (9.4) | Reference | |
| 60–70 years old | 414 (40.5) | 324 (78.3) | 90 (21.7) | 2.61 (1.66–4.12) | <0.001† |
| >70 years old | 309 (30.2) | 218 (70.6) | 91 (29.4) | 3.98 (2.51–6.32) | <0.001† |
P values were calculated by multivariate logistic regression model.
*Adjusted for delay from symptom onset to hospital admission and with any one of comorbidity.
#Adjusted for age and delay from symptom onset to hospital admission.
†Adjusted for sex and delay from symptom onset to hospital admission.