Table 3.

Type of health care and type of interventions per quality-of-care dimension (for 357 RCTs assessing patient health outcomes as primary outcomes, published during 2000–2020).

Health care type/intervention typeQuality-of-care dimensionUnadjusted P-valuea
Effectiveness, N = 254Safety, N = 14Patient-centredness, N = 67Multiple quality dimensionsd, N = 22
Health care type
 Preventive care, n (%)54 (21.3)4 (28.6)17 (25.4)2 (9.1)0.004
 Acute care, n (%)90 (35.4)1 (7.1)16 (23.9)6 (27.3)
 Chronic care, n (%)110 (43.3)9 (64.3)29 (43.3)14 (63.6)
 Palliative care, n (%)002 (3.0)0
 Multiple health care types, n (%)b003 (4.5)0
Type of intervention
 Drug/food/device, n (%)131 (51.6)4 (28.6)4 (6.0)3 (13.6)<0.001
 Behavioural intervention (on patients), n (%)34 (13.4)1 (7.1)8 (11.9)4 (18.2)
 Intervention on structure, n (%)16 (6.3)4 (28.6)11 (16.4)5 (22.7)
 Intervention on processes of care, n (%)70 (27.6)5 (35.7)44 (65.7)10 (45.5)
 Multiple types of intervention, n (%)c3 (1.2)000
Health care type/intervention typeQuality-of-care dimensionUnadjusted P-valuea
Effectiveness, N = 254Safety, N = 14Patient-centredness, N = 67Multiple quality dimensionsd, N = 22
Health care type
 Preventive care, n (%)54 (21.3)4 (28.6)17 (25.4)2 (9.1)0.004
 Acute care, n (%)90 (35.4)1 (7.1)16 (23.9)6 (27.3)
 Chronic care, n (%)110 (43.3)9 (64.3)29 (43.3)14 (63.6)
 Palliative care, n (%)002 (3.0)0
 Multiple health care types, n (%)b003 (4.5)0
Type of intervention
 Drug/food/device, n (%)131 (51.6)4 (28.6)4 (6.0)3 (13.6)<0.001
 Behavioural intervention (on patients), n (%)34 (13.4)1 (7.1)8 (11.9)4 (18.2)
 Intervention on structure, n (%)16 (6.3)4 (28.6)11 (16.4)5 (22.7)
 Intervention on processes of care, n (%)70 (27.6)5 (35.7)44 (65.7)10 (45.5)
 Multiple types of intervention, n (%)c3 (1.2)000

We considered statistically significant an adjusted threshold of P < 0.003, after applying Bonferroni correction for multiple comparisons.

Multiple health care types: chronic and acute care (n = 1); chronic and preventive care (n = 2).

Multiple types of intervention: behavioural intervention (on patients) and intervention on structure (n = 1); behavioural intervention (on patients) and a drug (n = 2).

Multiple quality-of-care dimensions: effectiveness and patient-centredness (n = 22).

Table 3.

Type of health care and type of interventions per quality-of-care dimension (for 357 RCTs assessing patient health outcomes as primary outcomes, published during 2000–2020).

Health care type/intervention typeQuality-of-care dimensionUnadjusted P-valuea
Effectiveness, N = 254Safety, N = 14Patient-centredness, N = 67Multiple quality dimensionsd, N = 22
Health care type
 Preventive care, n (%)54 (21.3)4 (28.6)17 (25.4)2 (9.1)0.004
 Acute care, n (%)90 (35.4)1 (7.1)16 (23.9)6 (27.3)
 Chronic care, n (%)110 (43.3)9 (64.3)29 (43.3)14 (63.6)
 Palliative care, n (%)002 (3.0)0
 Multiple health care types, n (%)b003 (4.5)0
Type of intervention
 Drug/food/device, n (%)131 (51.6)4 (28.6)4 (6.0)3 (13.6)<0.001
 Behavioural intervention (on patients), n (%)34 (13.4)1 (7.1)8 (11.9)4 (18.2)
 Intervention on structure, n (%)16 (6.3)4 (28.6)11 (16.4)5 (22.7)
 Intervention on processes of care, n (%)70 (27.6)5 (35.7)44 (65.7)10 (45.5)
 Multiple types of intervention, n (%)c3 (1.2)000
Health care type/intervention typeQuality-of-care dimensionUnadjusted P-valuea
Effectiveness, N = 254Safety, N = 14Patient-centredness, N = 67Multiple quality dimensionsd, N = 22
Health care type
 Preventive care, n (%)54 (21.3)4 (28.6)17 (25.4)2 (9.1)0.004
 Acute care, n (%)90 (35.4)1 (7.1)16 (23.9)6 (27.3)
 Chronic care, n (%)110 (43.3)9 (64.3)29 (43.3)14 (63.6)
 Palliative care, n (%)002 (3.0)0
 Multiple health care types, n (%)b003 (4.5)0
Type of intervention
 Drug/food/device, n (%)131 (51.6)4 (28.6)4 (6.0)3 (13.6)<0.001
 Behavioural intervention (on patients), n (%)34 (13.4)1 (7.1)8 (11.9)4 (18.2)
 Intervention on structure, n (%)16 (6.3)4 (28.6)11 (16.4)5 (22.7)
 Intervention on processes of care, n (%)70 (27.6)5 (35.7)44 (65.7)10 (45.5)
 Multiple types of intervention, n (%)c3 (1.2)000

We considered statistically significant an adjusted threshold of P < 0.003, after applying Bonferroni correction for multiple comparisons.

Multiple health care types: chronic and acute care (n = 1); chronic and preventive care (n = 2).

Multiple types of intervention: behavioural intervention (on patients) and intervention on structure (n = 1); behavioural intervention (on patients) and a drug (n = 2).

Multiple quality-of-care dimensions: effectiveness and patient-centredness (n = 22).

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