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CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement [Abstract] |  |  |
Dialysis and related lab patient service revenues | $ 10,709,981 | $ 10,093,670 | $ 9,727,360
Provision for uncollectible accounts | (49,587) | (485,364) | (431,304)
Net dialysis and related lab patient service revenues | 10,660,394 | 9,608,306 | 9,296,056
Other revenues | 744,457 | 1,268,328 | 1,411,411
Total revenues | 11,404,851 | 10,876,634 | 10,707,467
Operating expenses and charges: |  |  |
Patient care costs and other costs | 8,195,513 | 7,640,005 | 7,431,582
General and administrative | 1,135,454 | 1,064,026 | 1,072,841
Depreciation and amortization | 591,035 | 559,911 | 509,497
Provision for uncollectible accounts | (7,300) | (7,033) | 11,677
Equity investment income | 4,484 | 8,640 | (16,874)
Investment and other asset impairments | 17,338 | 295,234 | 14,993
Goodwill impairment charges | 3,106 | 36,196 | 28,415
Gain on changes in ownership interest, net | (60,603) | (6,273) | (374,374)
Gain on settlement, net | 0 | (526,827) | 0
Total operating expenses and charges | 9,879,027 | 9,063,879 | 8,677,757
Operating income | 1,525,824 | 1,812,755 | 2,029,710
Debt expense | (487,435) | (430,634) | (414,116)
Other income, net | 10,089 | 17,665 | 7,511
Income from continuing operations before income taxes | 1,048,478 | 1,399,786 | 1,623,105
Income tax expense | 258,400 | 323,859 | 431,761
Net income from continuing operations | 790,078 | 1,075,927 | 1,191,344
Net loss from discontinued operations, net of tax | (457,038) | (245,372) | (158,262)
Net income | 333,040 | 830,555 | 1,033,082
Less: Net income attributable to noncontrolling interests | (173,646) | (166,937) | (153,208)
Net income attributable DaVita Inc. | $ 159,394 | $ 663,618 | $ 879,874
Earnings per share attributable to DaVita Inc.: |  |  |
Basic net income from continuing operations per share attributable to DaVita Inc. (in usd per share) | $ 3.66 | $ 4.78 | $ 5.12
Basic net income per share attributable to DaVita Inc. (in usd per share) | 0.93 | 3.52 | 4.36
Diluted net income from continuing operations per share attributable to DaVita Inc. (in usd per share) | 3.62 | 4.71 | 5.04
Diluted net income per share attributable to DaVita Inc. (in usd per share) | $ 0.92 | $ 3.47 | $ 4.29
Weighted average shares for earnings per share: |  |  |
Basic (in shares) | 170,785,999 | 188,625,559 | 201,641,173
Diluted (in shares) | 172,364,581 | 191,348,533 | 204,904,656
Amounts attributable to DaVita Inc.: |  |  |
Net income from continuing operations | $ 624,321 | $ 901,277 | $ 1,032,373
Net loss from discontinued operations | (464,927) | (237,659) | (152,499)
Net (loss) income attributable to DaVita Inc. | $ 159,394 | $ 663,618 | $ 879,874

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