Table 2.
Goodness-of-fit statistics for pediatric population models.
| Model | Log-likelihood | AIC | BIC | SSA-BIC | LMR-LRT | LMR p-value |
|---|---|---|---|---|---|---|
| 1 class | −511 843.8 | 1 023 741.6 | 1 023 979.3 | 1 023 893.5 | NA | NA |
| 2 class | −487 248.6 | 974 607.2 | 975 091.5 | 974 916.7 | 49 028.3 | 0.0000 |
| 3 class | −481 970.1 | 964 106.3 | 964 837.1 | 964 573.3 | 10 520.9 | 0.0000 |
| 4 class | −479 161.0 | 958 544.0 | 959 521.4 | 959 168.6 | 5599.8 | 0.0000 |
| 5 class | −477 376.0 | 955 030.0 | 956 253.9 | 955 812.2 | 3558.3 | 0.0000 |
AIC, Akaike information criterion; BIC, Bayesian information criterion; SSA-BIC, sample-size-adjusted BIC; LMR-LRT, Lo–Mendell–Rubin likelihood ratio test; NA, not applicable.