. 2021 Apr 1;21:158. doi: 10.1186/s12887-021-02629-9

Table 2.

Nutritional status at 6 weeks as a predictor of death between 6 weeks and 6 months of age

Nutritional Status at 6 weeks	Sensitivity (95% CI)	Specificity (95% CI)	Positive predictive value (95% CI)	Negative predictive value (95% CI)	Likelihood Ratio+ (95% CI)	Likelihood Ratio- (95% CI)
WAZ < -3	64.6 (49.5, 77.8)	85.9 (84.8, 87.0)	5.7 (3.9, 7.9)	99.5 (99.1, 99.7)	4.6 (3.7, 5.8)	0.4 (0.3, 0.6)
WLZ < -3	25.0 (13.2, 40.3)	95.9 (95.2, 96.5)	6.9 (3.5, 12.0)	99.1 (98.7, 99.4)	6.1 (3.6, 10.5)	0.8 (0.6, 0.9)
LAZ < -3	39.1 (25.1, 54.6)	90.6 (89.6, 91.5)	5.0 (2.9, 7.8)	99.2 (98.8, 99.4)	4.2 (2.9, 6.1)	0.7 (0.5, 0.8)

Nutritional Status at 6 weeks

Sensitivity
(95% CI)

Specificity
(95% CI)

Positive predictive value
(95% CI)

Negative predictive value
(95% CI)

Likelihood Ratio+
(95% CI)

Likelihood Ratio-
(95% CI)

WAZ < -3

64.6

(49.5, 77.8)

85.9

(84.8, 87.0)

5.7

(3.9, 7.9)

99.5

(99.1, 99.7)

4.6

(3.7, 5.8)

0.4

(0.3, 0.6)

WLZ < -3

25.0

(13.2, 40.3)

95.9

(95.2, 96.5)

6.9

(3.5, 12.0)

99.1

(98.7, 99.4)

6.1

(3.6, 10.5)

0.8

(0.6, 0.9)

LAZ < -3

39.1

(25.1, 54.6)

90.6

(89.6, 91.5)

5.0

(2.9, 7.8)

99.2

(98.8, 99.4)

4.2

(2.9, 6.1)

0.7

(0.5, 0.8)

WAZ Weight for age z-score, WLZ Weight for length z-score, LAZ Length for age z-score.