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Table 4 Model performance where discrimination was not reported

From: Performance of critical care prognostic scoring systems in low and middle-income countries: a systematic review

Study Model Performance
Abhinandan and Vedavathi (2013) [60] APACHE II Student t test
Although APACHE II score was higher among non-survivors than survivors (23.28 vs 18.75), it was just statistically significantly with p = 0.068+
Haidri et al. (2011) [74] APACHE II Comparison of means between those who survived and those who died
The mean 24 h APACHE II score of those who were discharged was 18.93 ± 7.19 and that of those who died was 22.33 ± 7.80.
Mohan et al. (2015) [46] APACHE II 30% of patients with APACHE II score < 14 died (unadjusted relative risk = 1.00) and 68.3% with score > 14 died (relative risk = 2.6 (95% CI 1.5–2.7), p < 0.001.
Naved et al. (2011) [34] APACHE II (48 hours) Chi-square test
Significant relationship between outcome and APACHE II score (χ2 = 58.7, p = 0.001)
Teoh et al. (1991) [81] APACHE II APACHE II scores were correlated with hospital mortality (bar graph)
Mortality was higher with a higher APACHE II score. There were no deaths in the 0–4 APACHE II score group. In higher ranges of APACHE II score of 30 onwards there was a 100% mortality, except for APACHE II score of 45–49 for which there were no admissions within this group
Turner et al. (1989) [36] APACHE II APACHE II scores were correlated with hospital mortality (bar graphs plotted)
Shoukat et al. (2016) [71] APACHE IV The mortality increased with an increase in APACHE IV score (scores vs mortality presented as bar graph). All patients with score more than 39 did not survive
Yamin et al. (2011) [28] APACHE IV Mean predicted mortality of overall patient was found to be 25.7% while observed mortality was 28.4% with SD of 0.439 and SMR = 1.09. 62.1% of the overall population show the same outcome as predicted by APACHE IV (p = 0.61)
Celik et al. (2014) [63] SAPS II Student t test
Mean SAPS II score of the patients who died (59.37 ± 16.50) was significantly higher than that of the patients who were discharged (33.70 ± 13.90) (t = 18.85, p= 0.000).
Zhao et al. (2013) [50] Simplified SAPS II A correlation was suggested between the simplified SAPS II score at each time point and outcome with OR of 1.109 (p = 0.000), regardless of the diagnosis
  1. APACHE Acute Physiology and Chronic Health Evaluation, SAPS Simplified Acute Physiology Score, CI confidence interval, SD standard deviation, OR odds ratio, SMR standardised mortality ratio