. 2021 Sep 12;18(18):9617. doi: 10.3390/ijerph18189617

Table 2.

The percent change for respiratory disease hospitalizations associated with short-term 10 µg/m³ increases in particulate matter air pollutant concentrations.

Hospitalization Due to All Respiratory Diseases (%)
	PM_2.5		PM₁₀
Lags	PM_2.5	95% CI	PM₁₀	95% CI
Lag0	1.95 *	0.25, 3.67	1.63 *	0.16, 3.12
Lag1	1.31	−0.40, 3.06	1.12	−0.37, 2.63
Lag2	−0.07	−1.81, 1.69	−0.06	−1.57,1.47
Lag3	−0.64	−2.38, 1.13	−0.57	−2.09, 0.96
Lag4	−0.29	−2.06, 1.52	−0.25	−1.79, 1.32
Lag5	−0.55	−2.33, 1.27	−0.50	−2.05, 1.08
Hospitalization due to respiratory diseases—males only (%)
Lags	PM_2.5	95% CI	PM₁₀	95% CI
Lag0	2.24 *	0.08, 4.44	1.96 *	0.09, 3.87
Lag1	1.62	−0.55, 3.84	1.42	−0.47, 3.33
Lag2	0.70	−1.50, 2.94	0.64	−1.27, 2.59
Lag3	−0.24	−2.44, 2.00	−0.20	−2.11, 1.75
Lag4	0.08	−2.14, 2.36	0.14	−1.80, 2.12
Lag5	0.30	−1.94, 2.59	0.26	−1.69, 2.25
Hospitalization due to respiratory diseases—female only (%)
Lag0	2.35 *	0.08, 4.68	1.89	−0.09, 3.90
Lag1	1.71	−0.60, 4.08	1.44	−0.57, 3.48
Lag2	−0.19	−2.53, 2.20	−0.20	−2.23, 1.88
Lag3	−0.33	−2.69, 2.08	−0.33	−2.38, 1.77
Lag4	0.08	−2.32, 2.53	0.00	−2.09, 2.14
Lag5	−0.45	−2.86, 2.01	−0.45	−2.54, 1.69
Respiratory diseases hospitalization of age 65+ group (%)
Lag0	2.74 *	0.29, 5.26	2.28 *	0.15, 4.46
Lag1	0.27	−2.21, 2.82	0.19	−1.97, 2.40
Lag2	−1.08	−3.59, 1.49	−0.95	−3.14, 1.29
Lag3	−0.62	−3.15, 1.99	−0.48	−2.70, 1.78
Lag4	−0.87	−3.43, 1.77	−0.70	−2.94, 1.59
Lag5	0.01	−2.58, 2.66	0.04	−2.21, 2.35
Respiratory diseases hospitalization of age ≤65 group (%)
Lag0	1.76	−0.31, 3.87	1.49	−0.30, 3.32
Lag1	2.23 *	0.14, 4.37	1.93 *	0.11, 3.78
Lag2	0.82	−1.30, 2.99	0.73	−1.12, 2.61
Lag3	−0.39	−2.50, 1.77	−0.39	−2.23, 1.49
Lag4	0.33	−1.83, 2.53	0.27	−1.61, 2.18
Lag5	−0.45	−2.62, 1.77	−0.45	−2.34, 1.48
Hospitalization due to COPD (%)
Lag0	2.96	−0.28, 6.30	2.42	−0.39, 5.31
Lag1	1.69	−1.58, 5.07	1.33	−1.52, 4.25
Lag2	−1.39	−4.66, 2.00	−1.27	−4.13, 1.68
Lag3	0.37	−2.96, 3.82	0.17	−2.73, 3.16
Lag4	0.14	−3.22, 3.63	0.06	−2.88, 3.08
Lag5	2.54	−0.86, 6.06	2.19	−0.76, 5.23
Hospitalization due to pneumonia (%)
Lag0	0.37	−4.35, 5.32	0.38	−3.71, 4.65
Lag1	0.03	−4.71, 5.00	0.02	−4.09, 4.30
Lag2	−0.58	−5.37, 4.47	−0.29	−4.46, 4.06
Lag3	1.73	−3.23, 6.94	1.57	−2.71, 6.04
Lag4	0.64	−4.49, 6.05	0.42	−4.01, 5.07
Lag5	2.67	−2.44, 8.04	2.01	−2.40, 6.61
Hospitalization due to asthma (%)
Lag0	4.67 *	1.23, 8.23	4.04 *	1.06, 7.11
Lag1	3.27	−0.24, 6.90	2.85	−0.19, 5.99
Lag2	2.62	−0.95, 6.32	2.26	−0.84, 5.46
Lag3	−0.11	−3.67, 3.59	−0.02	−3.13, 3.19
Lag4	−0.84	−4.39, 2.85	−0.79	−3.89, 2.42
Lag5	−0.07	−3.65, 3.65	−0.24	−3.37, 2.99

* p < 0.05.