Table 3

Association of initial investigations with mortality on univariate analysis

No. with complete data Age adjusted odds ratio CI p value
Haemoglobin (g/dl)
⩾14.0
12.7–13.9
11.3–12.6
⩽11.2
232 
–
0.61
0.88
2.09
 
 
0.26 to 1.40 0.40 to 1.94 0.89 to 4.88		 
0.0463-150
Haemotocrit (l/l)
⩾0.421
0.382–0.420
0.343–0.381
⩽0.342
179 
–
0.48
0.58
1.37
 
 
0.18 to 1.25 0.22 to 1.50 0.52 to 3.65		 
0.10
White cell count (×109/l)
⩽8.21
8.22–12.60
12.61–16.72
⩾16.73
237 
–
1.18
0.76
1.21
 
 
0.52 to 2.67 0.34 to 1.69 0.53 to 2.75		 
0.66
Pao 2 (kPa)
⩾10.3
8.4–10.2
7.3–8.3
⩽7.2
137 
–
0.36
0.74
0.50
 
 
0.12 to 1.09 0.24 to 2.24 0.16 to 1.56		 
0.29
Sodium (mmol/l)
⩾141
138–140
135–137
⩽134
237 
–
0.31
0.17
0.45
 
 
0.12 to 0.78 0.06 to 0.46 0.18 to 1.10		 
0.00453-150
Urea (mmol/l)
⩽5.3
5.4–8.3
8.4–12.7
⩾12.8
237 
–
1.69
3.55
7.66
 
 
0.67 to 4.23 1.39 to 9.06 2.82 to 20.78		 
0.00023-150
Creatinine (μmol/l)
⩽83
84–101
102–147
⩾148
237 
–
0.80
1.32
2.01
 
 
0.34 to 1.87 0.57 to 3.06 0.85 to 4.72		 
0.16
Alkaline phosphatase (IU/l)
⩽125
126–200
201–282
⩾283
174 
–
0.48
1.08
1.79
 
 
0.18 to 1.27 0.42 to 2.76 0.69 to 4.68		 
0.07
Alanine transaminase (U/l)
⩽17
17.1–28.5
28.6–47.5
⩾47.6
144 
–
1.70
2.34
1.84
 
 
0.63 to 4.62 0.78 to 7.04 0.65 to 5.21		 
0.46
γ-glutaryl transaminase (U/l)
⩽23
23.1–45.0
45.1–81.3
⩾81.4
134 
–
0.49
0.62
0.86
 
 
0.17 to 1.44 0.21 to 1.84 0.29 to 2.54		 
0.56
Albumin (g/l)
⩾35.6
32.1–35.5
28.1–32.0
⩽28.0
177 
–
3.11
3.94
6.73
 
 
1.06 to 9.17 1.39 to 11.19 2.28 to 19.83		 
0.0063-150
Effusion on chest radiograph2445.471.56 to 19.180.0083-150
Bilateral shadowing on chest radiograph 2372.060.82 to 5.170.12

  • ↵3-150 p<0.05.