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Journal of Obstrectic Anaesthesia and Critical Care
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Year : 2018  |  Volume : 8  |  Issue : 2  |  Page : 83-89

Development and validation of saving mothers score: A comprehensive scoring system for early identification of sick mothers

1 Department of Anaesthesia, MGMH Petlaburj, Osmania Medical College, Hyderabad, Telangana, India
2 Department of Anaesthesia, Fernandez Hospital, Hyderabad, Telangana, India
3 Manasvin's Centre for Marital and Family Therapy, Hyderabad, Telangana, India

Correspondence Address:
Dr. Kousalya Chakravarthy
3-5-1083, Flat 306, Sri Tara Jeet Residency, Narayanaguda, Hyderabad - 500 029, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/joacc.JOACC_51_18

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Context: Early identification of high-risk parturient and maternal physiological deterioration may reduce maternal morbidity and mortality. Aims: This study aimed to develop a comprehensive scoring system 'Saving Mothers Score' (SMS) to identify the sick mothers and validate SMS against the existing Modified Early Obstetric Warning System (MEOWS). Settings and Design: The SMS was developed through a formative research, item pool generation, content and construct validity. Methodology: Thirty-three (33) items were identified and pooled into three parameters pregnancy-related risk factors, physiological variables and biochemical tests. Each item was given a colour coding and a score. The trigger and score of SMS was prospectively analysed in 120 obstetric in-patients. Statistical Analysis Used: Tests of diagnostic effectiveness and 95% confidence intervals (95% CI) around point estimates. Results: Forty six women triggered (38.33%; 95% CI: 29.96, 47.26) and 41 (81.93%, 95% CI: 77.54, 95.91) of these 46 women developed morbidity. The overall accuracy of SMS chart was similar for trigger [sensitivity 60.9%; specificity 98.6%, area under receiver operator characteristic curve (AUROC) 0.80] and scoring (sensitivity 56.1%; specificity 92.4%, AUROC 0.74) with positive predictive value (PPV) and negative predictive value (NPV) of 96.6% and 80.2%, respectively. The accuracy of SMS was comparable to MEOWS (sensitivity 54.6%, specificity 97.8%, PPV 92.5% and NPV 79.9%). Conclusions: The diagnostic effectiveness of SMS was comparable to MEOWS. SMS may be used as a screening test to identify a sick mother. SMS can predict morbidity, help in triage and early intervention or timely referral to a higher centre.

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