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Table 2 Baseline demographics and clinical characteristics of patients in intervention and control arms

From: Early warning scoring systems versus standard observations charts for wards in South Africa: a cluster randomized controlled trial

Characteristic Intervention arm Control arm
(n = 57) (n = 57)
  Number (%) Number (%)
Sex: female 21 (36.8) 36 (63.2)
Pre-existing comorbidity:   
Myocardial infarction 0 3 (5.3)
Renal 1 (1.8) 0
Diabetes mellitus 13 (22.8) 4 (7.01)
Carcinoma 4 (7.01) 10 (17.5)
Respiratory 9 (15.8) 9 (15.8)
Cerebrovascular Accident 5 (8.8) 7 (12.3)
Hypertension 17 (29.8) 19 (33.3)
1 co-morbidity 19 (33.3) 26 (45.6)
2 co-morbidities 17 (29.8) 13 (22.8)
3 co-morbidities 10 (17.5) 6 (7.0)
4 co-morbidities 2 (3.5) 0
Age in years:   
Median 49.00 45.00
Range 14-76 14-84
Interquartile range 29 26
  1. Marginally more patients in the intervention group (48 out of 57, 84.2%) had up to four comorbidities than those in the control group (45 out of 57, 78.9%).