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Table 2 Distribution of samples per classes

From: On usage of artificial intelligence for predicting mortality during and post-pregnancy: a systematic review of literature

Work

Mortality

Classes

Samples

Proportion*

Valter et al. [29]

Neonatal

Neonatal mort.

657

0.491

 

Non-neonatal mort.

682

0.509

Infant

Infant mort.

911

0.489

 

Non-infant mort.

952

0.511

Hajipour et al. [32]

Infant

Infant mort.

1076

0.451

 

Non-infant mort.

1310

0.549

Saravanou et al. [30]**

Infant

Infant mort.

83,000

0.007

 

Non-infant mort.

12,000,000

0.993

Neonatal/Infant

Died < 1 h

–

–

 

Died 1–23 h

–

–

 

Died 1–6 days

–

–

 

Died 7–27 days

–

–

 

Died 28–365 days

–

–

 

Non-infant mort.

–

–

Baker et al. [20]

Neonatal

Neonatal mort.

28

0.010

 

Non-neonatal mort.

2723

0.990

Cerqueira et al. [21]

Neonatal

Neonatal mort.

39

0.133

 

Non-neonatal mort.

254

0.867

Shukla et al. [10]

Stillbirth

Stillbirth

15,322

0.030

 

Non-stillbirth

487,326

0.987

Neonatal

Neonatal mort.

6268

0.013

 

Non-neonatal mort.

481,058

0.987

Malacova et al. [14]

Stillbirth

Stillbirth

6836

0.007

 

Non-stillbirth

953,909

0.993

Sheikhtaheri et al. [22]

Neonatal

Neonatal mort.

138

0.078

 

Non-neonatal mort.

1624

0.922

Podda et al. [25]

Neonatal

Neonatal mort.

3570

0.121

 

Non-neonatal mort.

25,987

0.879

Batista et al. [31]

Neonatal

Neonatal mort.

7282

0.006

 

Non-neonatal mort.

1,128,162

0.994

Infant

Infant mort.

10,902

0.010

 

Non-infant mort.

1,124,542

0.990

Jaskari et al. [26]

Neonatal

Neonatal mort.

63

0.064

 

Non-neonatal mort.

914

0.936

Mboya et al. [12]

Perinatal

Perinatal mort.

1561

0.037

 

Non-perinatal mort

40,758

0.963

AlShwaish et al. [33]

Infant

Minor

167,026

0.970

 

Moderate

2988

0.017

 

Major

1529

0.009

 

Extreme

735

0.004

Sun et al. [23]

Neonatal

Neonatal mort.

15

0.020

 

Non-neonatal mort.

742

0.980

Koivu et al. [15]

Stillbirth

Early stillbirth

7924

0.001

 

Late stillbirth

8310

0.001

 

Non-stillbirth

11,907,611

0.999

Lee et al. [27]

Neonatal

Neonatal mort.

97,200

0.003

 

Non-neonatal mort.

31,190,601

0.997

Cooper et al. [28]

Neonatal

Neonatal mort.

232

0.036

 

Non-neonatal mort.

6267

0.964

Hsu et al. [24]

Neonatal

Neonatal mort.

278

0.160

 

Non-neonatal mort.

1456

0.840

  1. *Numbers were rounded
  2. **Approximate value