The Analysis of the Incidence Rate of the COVID-19 Pandemic Based on Segmented Regression for Kuwait and Saudi Arabia

Table 1

Detail of parameters of ARIMA models.

Country	Case	Model	Parameter	Estimate	Standard error	Lower 95% CI	Upper 95% CI
Kuwait	Confirmed	(6,2,4)		−0.7192	0.1096	−0.9340	−0.5045
				−0.3652	0.0764	−0.5149	−0.2155
				−0.6795	0.0618	−0.8006	−0.5583
				−0.9080	0.0892	−1.0829	−0.7331
				−0.5405	0.0637	−0.6654	−0.4155
				−0.3110	0.0529	−0.4147	−0.2072
				0.2315	0.1108	0.0144	0.4486
				0.0348	0.0819	−0.1256	0.1953
				0.4176	0.0700	0.2804	0.5547
				0.6443	0.0926	0.4628	0.8259
Kuwait	Death	(7, 2, 2)		0.0567	0.5089	−0.9408	1.0542
				−0.7607	0.2708	−1.2915	−0.2298
				−0.4490	0.2438	−0.9269	0.0289
				−0.4795	0.1904	−0.8527	−0.1064
				−0.2636	0.2024	−0.6603	0.1331
				−0.2032	0.1247	−0.4476	0.0411
				−0.1540	0.1062	−0.3622	0.0542
				−0.6608	0.5147	−1.6697	0.3480
				0.6337	0.1896	0.2620	1.0054
Saudi Arabia	Confirmed	(7,2,7)		−0.1724	0.2641	−0.6901	0.3452
				0.4314	0.1120	0.2119	0.6509
				0.4799	0.1045	0.2751	0.6847
				−0.0195	0.1470	−0.3076	0.2686
				0.0337	0.0916	−0.1458	0.2132
				−0.5144	0.0845	−0.6801	−0.3487
				−0.2401	0.1814	−0.5957	0.1154
				0.0901	0.2533	−0.4064	0.5865
				−0.4385	0.1226	−0.6787	−0.1983
				−0.2369	0.0884	−0.4102	−0.0637
				0.0980	0.0986	−0.0953	0.2913
				−0.3379	0.0834	−0.5013	−0.1746
				0.5636	0.1175	0.3332	0.7940
				0.4446	0.2126	0.0278	0.8614
Saudi Arabia	Death	(12, 2, 6)		0.1861	0.1144	−0.0381	0.4102
				−0.6983	0.1577	−1.0075	−0.3891
				1.0515	0.1577	0.7424	1.3605
				0.1685	0.1392	−0.1043	0.4413
				0.1844	0.1199	−0.0505	0.4193
				−0.1589	0.1057	−0.3661	0.0483
				−0.4966	0.1070	−0.7064	−0.2869
				−0.0602	0.0841	−0.2250	0.1046
				−0.2952	0.0813	−0.4546	−0.1358
				0.1658	0.0644	0.0397	0.2920
				−0.0145	0.0538	−0.1200	0.0909
				0.2560	0.0531	0.1519	0.3601
				−0.7338	0.1115	−0.9524	−0.5151
				1.0456	0.1999	0.6537	1.4374
				−1.7246	0.2444	−2.2036	−1.2455
				0.8096	0.2409	0.3375	1.2816
				−0.5787	0.2090	−0.9883	−0.1690
				0.6832	0.1174	0.4531	0.9132