|
Male sex
|
1591 (60.8)
|
295 (51.4)
|
540 (68.4)
|
756 (60.3)
|
<0.001
|
|
Age group
|
|
15–64
|
580 (22.2)
|
268 (46.7)
|
121 (15.3)
|
191 (15.2)
|
<0.001
|
|
65–74
|
447 (17.1)
|
91 (15.9)
|
141 (17.9)
|
215 (17.2)
| |
|
75–84
|
848 (32.4)
|
126 (22.0)
|
321 (40.6)
|
401 (32.0)
| |
|
85+
|
742 (28.4)
|
89 (15.5)
|
207 (26.2)
|
446 (35.6)
| |
|
Admission
|
2007 (76.7)
|
305 (53.1)
|
597 (75.6)
|
1105 (88.2)
|
<0.001
|
|
Performance status ≥3, n = 1307
|
310 (23.7)
|
37 (11.1)
|
56 (13.9)
|
217 (37.9)
|
<0.001
|
|
Severe disease (CURB65 ≥ 4), n = 2100
|
154 (7.3)
|
19 (4.5)
|
41 (6.7)
|
94 (8.9)
|
0.010
|
|
Duration of symptomsb > 3 days, n = 2507
|
874 (34.9)
|
256 (47.8)
|
251 (33.3)
|
367 (30.2)
|
<0.001
|
|
No. of symptoms ≥3
|
1664 (63.6)
|
390 (67.9)
|
554 (70.1)
|
720 (57.5)
|
<0.001
|
|
Aspiration risk, n = 2545
|
1189 (46.7)
|
103 (18.4)
|
293 (37.8)
|
793 (65.5)
|
<0.001
|
|
Period
|
|
Spring (January to March)
|
645 (24.7)
|
129 (22.5)
|
195 (24.7)
|
321 (25.6)
|
0.092
|
|
Summer (April to June)
|
572 (21.9)
|
147 (25.6)
|
161 (20.4)
|
264 (21.1)
| |
|
Autumn (July to September)
|
641 (24.5)
|
151 (26.3)
|
189 (23.9)
|
301 (24.0)
| |
|
Winter (October to December)
|
759 (29.0)
|
147 (25.6)
|
245 (31.0)
|
367 (29.3)
| |
|
Study site
|
|
Ebetsu
|
326 (12.4)
|
79 (13.8)
|
123 (15.6)
|
124 (9.9)
|
<0.001
|
|
Kamogawa
|
1379 (52.7)
|
348 (60.6)
|
416 (52.7)
|
615 (49.1)
| |
|
Kochi
|
600 (22.9)
|
96 (16.7)
|
153 (19.4)
|
351 (28.0)
| |
|
Nagasaki
|
312 (11.9)
|
51 (8.9)
|
98 (12.4)
|
163 (13.0)
| |
