Table 1– Community-acquired pneumonia (CAP) patients' characteristics and CAP-related recurrence, hospitalisation and mortality rates within 60 days from diagnosis, stratified by patients' characteristics

	CAP patients	Recurrence		Hospitalisation		Mortality
	N (%)	Rate %	95% CI	Rate %	95% CI	Rate %	95% CI
Total	12 704 (100)	1.52	1.31–1.73	6.95	6.51–7.39	2.66	2.38–2.94
Age years
15–35	1562 (12.3)	1.54	0.93–2.15	2.62	1.83–3.42	0.26	0.01–0.51
36–50	2426 (19.1)	0.95	0.56–1.33	3.38	2.66–4.10	0.21	0.03–0.39
51–65	2760 (21.7)	1.30	0.88–1.73	5.62	4.76–6.47	0.83	0.49–1.17
66–75	2354 (18.5)	1.49	1.00–1.98	8.58	7.45–9.71	1.78	1.25–2.32
76–84	2445 (19.3)	1.96	1.41–2.51	10.55	9.33–11.77	5.07	4.20–5.94
≥85	1157 (9.1)	2.33	1.46–3.20	12.53	10.62–14.44	12.10	10.22–13.98
Sex
Males	6428 (50.6)	1.70	1.38–2.01	7.72	7.06–8.37	2.54	2.15–2.92
Females	6276 (49.4)	1.34	1.05–1.62	6.17	5.57–6.76	2.79	2.38–3.20
Trimester of diagnosis
First	4229 (33.3)	0.92	0.63–1.21	6.08	5.36–6.80	2.39	1.93–2.85
Second	3097 (24.4)	1.94	1.45–2.42	6.59	5.71–7.46	2.55	2.00–3.11
Third	2374 (18.7)	1.81	1.27–2.35	7.83	6.75–8.92	3.20	2.49–3.91
Fourth	3004 (23.7)	1.70	1.24–2.16	7.86	6.89–8.82	2.73	2.15–3.31
Number of comorbidities
0	5079 (40.0)	1.32	1.01–1.63	4.33	3.77–4.89	0.75	0.51–0.99
1	3949 (31.1)	1.52	1.14–1.90	6.41	5.64–7.17	2.20	1.75–2.66
2	2039 (16.1)	1.72	1.15–2.28	8.34	7.14–9.54	4.71	3.79–5.63
≥3	1637 (12.9)	1.89	1.23–2.55	14.66	12.95–16.37	7.15	5.90–8.40
Concurrent therapies
Corticosteroids^#	2375 (18.7)	1.77	1.24–2.30	8.08	6.99–9.18	4.00	3.21–4.79
PPI^#	3043 (24.0)	1.97	1.48–2.47	10.35	9.27–11.43	5.09	4.31–5.87
Influenza vaccination^¶	4181 (32.9)	1.53	1.16–1.90	10.55	9.62–11.48	4.74	4.09–5.38
Pneumococcal vaccination^¶	785 (6.2)	1.15	0.40–1.89	16.82	14.2–19.43	7.13	5.33–8.93

PPI: proton-pump inhibitors. ^#: 6 months prior to index date; ^¶: >1 year prior to index date.