|
Years qualified (Categorical)
|
|
1-9 years
|
646/720
|
89.7
|
74/720
|
10.3
|
Ref
|
Ref
|
< 0.001 5 d.f.*
|
|
10-14 years
|
1790/2213
|
80.9
|
423/2213
|
19.1
|
0.55
|
0.30-1.02
| |
|
15-19 years
|
971/1206
|
80.5
|
235/1206
|
19.5
|
1.44
|
0.71-2.90
| |
|
20-24 years
|
1219/1586
|
76.9
|
367/1586
|
23.1
|
1.28
|
0.57-2.87
| |
|
25-29 years
|
875/1159
|
75.5
|
284/1159
|
24.5
|
1.67
|
0.76-3.68
| |
|
30+ years
|
1170/1493
|
78.4
|
323/1493
|
21.6
|
1.08
|
0.47-2.46
| |
|
Parent reported symptoms
|
|
High parent illness severity score (≥7/10)
|
1459/6650
|
21.9
|
681/1702
|
40.0
|
1.67
|
1.39-2.01
|
< 0.001
|
|
Fever in the last 24 h (severe)
|
363/6647
|
5.5
|
177/1700
|
10.4
|
1.66
|
1.23-2.26
|
0.001
|
|
Low energy during illness
|
3404/6669
|
51.0
|
1100/1704
|
65.6
|
1.65
|
1.36-1.99
|
< 0.001
|
|
Shortness of breath during illness
|
2115/6670
|
31.7
|
857/1704
|
50.3
|
1.50
|
1.25-1.81
|
< 0.001
|
|
Illness worse recently
|
4182/6663
|
62.8
|
1339/1704
|
78.6
|
1.44
|
1.18-1.76
|
< 0.001
|
|
Clinical signs
|
|
Crackles and crepitations
|
695/6661
|
10.4
|
901/1704
|
52.9
|
14.56
|
11.71-18.12
|
< 0.001
|
|
Recession
|
164/6663
|
2.5
|
239/1704
|
14.0
|
3.31
|
2.29-4.79
|
< 0.001
|
|
Pallor
|
6185/6663
|
7.2
|
345/1705
|
20.2
|
3.10
|
2.30-4.18
|
< 0.001
|
|
Bronchial breath
|
136/6658
|
2.0
|
142/1703
|
8.3
|
2.99
|
1.90-4.70
|
< 0.001
|
|
Wheeze (recorded in consultation)
|
675/6663
|
10.1
|
560/1703
|
32.9
|
2.78
|
2.23-3.46
|
< 0.001
|
|
High temperature (≥37.8 °C recorded in consultation)
|
629/6653
|
9.5
|
415/1702
|
24.4
|
2.32
|
1.84-2.91
|
< 0.001
|
|
High respiratory rate (age related cut offs)
|
825/6634
|
12.4
|
414/1698
|
24.4
|
1.64
|
1.30-2.07
|
< 0.001
|
|
Inflamed pharynx
|
1873/6647
|
28.2
|
521/1702
|
30.6
|
1.51
|
1.23-1.86
|
< 0.001
|
