Table 4

Prescription of antibiotics and referral to hospital in different groups (bivariate analyses)

Prescription of antibioticsReferral to hospital
VariablesNYesNop ValueYesNop Value
Means
 Age3972.612.250.0981.692.390.040
 Temperature measured38538.2237.920.01338.1937.980.245
 Respiratory rate36531.1133.080.24648.2831.30<0.001
Proportions
CRP value (mg/L)397 
 Not taken1640.180.820.070.93
 CRP<211420.130.870.070.93
 CRP 21–40480.400.600.060.94
 CRP 41–60220.590.410.090.91
 CRP>60210.620.38<0.0010.240.760.089
Oxygen saturation340   
 >95%2270.220.780.050.95
 90–95%1040.210.790.130.87
 <90%90.220.780.9840.330.670.001
Parents’ assessment of seriousness393 
 Think it is not serious but want a check1030.120.880.030.97
 Not sure, maybe in need of treatment1490.250.750.100.90
 Think antibiotics are needed1340.330.670.050.95
 Think the child needs hospitalisation700.020.0010.860.14<0.001
Parents’ assessment of sickness394 
 No opinion1770.190.810.070.93
 Viral infection1010.140.860.120.88
 Bacterial infection1160.390.61<0.0010.060.940.215
Paediatrician1670.180.820.090.91
Doctors working at OOH services2300.270.730.0290.070.930.458
Vomiting on last day2420.160.840.120.88
Not vomiting on last day1530.290.710.0030.050.950.021
Earache in the past 24 hours1030.420.580.050.95
No earache in the past 24 hours2900.170.83<0.0010.090.910.184
Dyspnoea in the past 24 hours2250.250.750.110.89
No dyspnoea in the past 24 hours1710.210.790.5220.040.960.052
Paracetamol in the past 24 hours2640.300.700.080.92
No use of paracetamol in the past 24 hours1310.100.90<0.0010.080.920.775
Findings on ear examination1290.580.420.020.98
No findings on ear examination2000.140.86<0.0010.100.900.011
Signs on auscultation830.220.780.240.76
No signs on auscultation2810.210.790.8370.040.96<0.001
Randomised to CRP pretest test1380.260.740.050.95
Randomised to usual care2590.220.780.3620.090.910.139
  • CRP, C reactive protein.