Table 6 Findings of univariable analyses performed by chi-square test
Variable | IMD | IPD | Invasive H. influenzae diseases | ||||||
|---|---|---|---|---|---|---|---|---|---|
Dead n (%) | Alive n (%) | p-value | Dead n (%) | Alive n (%) | p-value | Dead n (%) | Alive n (%) | p-value | |
Age group | |||||||||
<5 years | 5 (16.1) | 81 (27.1) | 0.004 | 0 (0.0) | 81 (8.4) | < 0.0001 | 1 (7.1) | 15 (13.5) | 0.003 |
5–17 years | 4 (12.9) | 63 (21.1) | 1 (0.6) | 30 (3.1) | 0 (0.0) | 7 (6.3) | |||
18–64 years | 11 (35.5) | 124 (41.5) | 39 (24.1) | 397 (41.1) | 0 (0.0) | 41 (36.9) | |||
≥65 years | 11 (35.5) | 31 (10.4) | 122 (75.3) | 459 (47.4) | 13 (92.9) | 48 (43.2) | |||
Gender | |||||||||
male | 10 (32.3) | 145 (48.5) | 0.085 | 77 (47.5) | 514 (53.1) | 0.185 | 7 (50.0) | 61 (55.0) | 0.726 |
female | 21 (67.7) | 154 (51.5) | 85 (52.5) | 453 (46.9) | 7 (50.0) | 50 (45.0) | |||
Nationality | |||||||||
Italian | 29 (96.7) | 278 (93.6) | 1.000 | 160 (98.8) | 919 (95.4) | 0.052 | 14 (100.0) | 109 (98.2) | 1.000 |
non-Italian | 1 (3.3) | 19 (6.4) | 2 (1.2) | 44 (4.6) | 0 (0.0) | 2 (1.8) | |||
Charlson Index | |||||||||
0 | 23 (74.2) | 269 (90.0) | 0.014 | 88 (54.3) | 643 (66.5) | 0.004 | 6 (42.9) | 64 (57.7) | 0.090 |
1 | 7 (22.6) | 19 (6.3) | 41 (25.3) | 153 (15.8) | 1 (7.1) | 22 (19.8) | |||
2 | 1 (3.2) | 11 (6.7) | 33 (20.4) | 171 (17.7) | 7 (50.0) | 25 (22.5) | |||