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. 2020 May 20;20:743. doi: 10.1186/s12889-020-08897-x

Table 3.

Assessment of the outer packaging for regulatory compliance

Description Present n (%) Absent n (%)
Registration number 1694 (95.7%) 76 (4.3%)
Batch number 1761 (99.2%) 15 (0.9%)
Manufacturing date 1761 (99.5%) 15 (0.9%)
Expiration date 1761 (99.5%) 15 (0.9%)