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Table 3 Two-tailed Z-test results for difference in proportion of discharge classification before and during triple-therapy era

From: Tuberculosis sanatorium treatment at the advent of the chemotherapy era

Discharge classification

Proportion before 1952 (n = 732)

Proportion after and including 1952 (n = 1234)

Difference in proportion two tailed Z-test (p value)

Therapy complete

0.55

0.60

0.035

Death

0.25

0.04

0.00

Lost to follow up (‘left against medical advice’)

0.19

0.29

p < 0.0001

Lost to follow up (‘eviction’)

0.003

0.06

p < 0.0001

Home to die

0.004

0.002

0.41