Primary study · included by 1 review

Mucoepidermoid carcinoma of the parotid gland: Twenty-year experience in treatment and outcomes.

Chan SA, 2021 · Chan Stephen A, Van Abel Kathryn M, Lewis Jean E, et al. · Head & neck · 2021

Included by

Prognostic Factors and Survival Outcomes in Parotid Gland Mucoepidermoid Carcinoma: A Systematic Review with Meta-Analysis and Workflow Proposal.

Non-Cochrane · prognostic · 2026 · cited as Chan 2021 · Reference 11; Figures 2 to 4

Outcome this study informs	Pooled effect	Evidence	Certainty
10-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.7 [0.7, 0.7]	5 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
10-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.9 [0.8, 0.9]	4 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.9 [0.8, 0.9]	10 studies · 2341 participants	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
10-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.7 [0.7, 0.7]	5 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
10-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.9 [0.7, 1.0]	5 studies · 1594 participants	GRADE not reported
10-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.9 [0.8, 0.9]	4 studies	GRADE not reported
10-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.7 [0.7, 0.7]	5 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.9 [0.8, 0.9]	9 studies	GRADE not reported
1-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 1 year	Proportion 1.0 [1.0, 1.0]	3 studies · 1377 participants	GRADE not reported
10-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.7 [0.7, 0.7]	5 studies	GRADE not reported
10-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.9 [0.8, 0.9]	4 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
10-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.9 [0.8, 0.9]	4 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
10-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.7 [0.7, 0.8]	5 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.9 [0.8, 0.9]	9 studies	GRADE not reported
10-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.9 [0.9, 0.9]	4 studies	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.9 [0.8, 0.9]	9 studies	GRADE not reported
5-year disease-specific survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 1.0 [0.2, 1.0]	4 studies · 1465 participants	GRADE not reported
5-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 5 years	Proportion 0.8 [0.8, 0.9]	9 studies	GRADE not reported
10-year overall survival Any surgical or non-surgical treatment (single-arm; mostly parotidectomy with or without neck dissection and postoperative radiotherapy) vs None (single-arm) · 10 years	Pooled proportion (%) 70 [40, 80]	6 studies · 1875 participants	GRADE not reported
10-year overall survival Any treatment (mainly parotidectomy with or without neck dissection and postoperative radiotherapy); single-arm vs None (single-arm pooled proportion) · 10 years	Proportion 0.7 [0.6, 0.7]	5 studies	GRADE not reported

1 including review in total.